40407070408 has 32 divisors (see below), whose sum is σ = 78333219000. Its totient is φ = 19525542912.

The previous prime is 40407070393. The next prime is 40407070411. The reversal of 40407070408 is 80407070404.

40407070408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28648270564 + 11758799844 = 169258^2 + 108438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413985 + ... + 502192.

Almost surely, 2^40407070408 is an apocalyptic number.

It is an amenable number.

40407070408 is a deficient number, since it is larger than the sum of its proper divisors (37926148592).

40407070408 is a wasteful number, since it uses less digits than its factorization.

40407070408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916369 (or 916365 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The spelling of 40407070408 in words is "forty billion, four hundred seven million, seventy thousand, four hundred eight".