Il numero 40009, quarantamilanove in Italiano, in Inglese si dice forty thousand nine.
Il numero ordinale 40009° in inglese si dice forty thousand ninth.
40000: forty thousand
40001: forty thousand one
40002: forty thousand two
40003: forty thousand three
40004: forty thousand four
40005: forty thousand five
40006: forty thousand six
40007: forty thousand seven
40008: forty thousand eight
40010: forty thousand ten
40011: forty thousand eleven
40012: forty thousand twelve
40013: forty thousand thirteen
40014: forty thousand fourteen
40015: forty thousand fifteen
40016: forty thousand sixteen
40017: forty thousand seventeen
40018: forty thousand eighteen