42031023232 has 64 divisors (see below), whose sum is σ = 92372464800. Its totient is φ = 18890291200.

The previous prime is 42031023161. The next prime is 42031023247. The reversal of 42031023232 is 23232013024.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 42394 + ... + 293017.

Almost surely, 2^42031023232 is an apocalyptic number.

It is an amenable number.

42031023232 is an abundant number, since it is smaller than the sum of its proper divisors (50341441568).

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

42031023232 is a wasteful number, since it uses less digits than its factorization.

42031023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335525 (or 335513 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 42031023232 its reverse (23232013024), we get a palindrome (65263036256).

The spelling of 42031023232 in words is "forty-two billion, thirty-one million, twenty-three thousand, two hundred thirty-two".