40407036669 has 12 divisors (see below), whose sum is σ = 58367945376. Its totient is φ = 26936997192.

The previous prime is 40407036623. The next prime is 40407036671. The reversal of 40407036669 is 96663070404.

It is not a de Polignac number, because 40407036669 - 2⁷ = 40407036541 is a prime.

It is a super-2 number, since 2×40407036669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40407036689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221502 + ... + 360384.

It is an arithmetic number, because the mean of its divisors is an integer number (4863995448).

Almost surely, 2^40407036669 is an apocalyptic number.

It is an amenable number.

40407036669 is a deficient number, since it is larger than the sum of its proper divisors (17960908707).

40407036669 is a wasteful number, since it uses less digits than its factorization.

40407036669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171216 (or 171213 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 40407036669 in words is "forty billion, four hundred seven million, thirty-six thousand, six hundred sixty-nine".