40407407004 has 24 divisors (see below), whose sum is σ = 95148943120. Its totient is φ = 13345565184.

The previous prime is 40407406987. The next prime is 40407407041. The reversal of 40407407004 is 40070470404.

It is a congruent number.

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, 15444949 + ... + 15447564.

Almost surely, 2^40407407004 is an apocalyptic number.

It is an amenable number.

40407407004 is an abundant number, since it is smaller than the sum of its proper divisors (54741536116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40407407004 is a wasteful number, since it uses less digits than its factorization.

40407407004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30892629 (or 30892627 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

Adding to 40407407004 its reverse (40070470404), we get a palindrome (80477877408).

The spelling of 40407407004 in words is "forty billion, four hundred seven million, four hundred seven thousand, four".