40023632004 has 36 divisors (see below), whose sum is σ = 95183847696. Its totient is φ = 13089478688.

The previous prime is 40023632003. The next prime is 40023632039.

It is a happy number.

40023632004 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×40023632004² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40023632003) 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, 559974 + ... + 627389.

Almost surely, 2^40023632004 is an apocalyptic number.

It is an amenable number.

40023632004 is an abundant number, since it is smaller than the sum of its proper divisors (55160215692).

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

40023632004 is a wasteful number, since it uses less digits than its factorization.

40023632004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187476 (or 1187421 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The spelling of 40023632004 in words is "forty billion, twenty-three million, six hundred thirty-two thousand, four".