38642437032 has 32 divisors (see below), whose sum is σ = 97063954080. Its totient is φ = 12819764160.

The previous prime is 38642437021. The next prime is 38642437049. The reversal of 38642437032 is 23073424683.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3810343 + ... + 3820470.

It is an arithmetic number, because the mean of its divisors is an integer number (3033248565).

Almost surely, 2^38642437032 is an apocalyptic number.

It is an amenable number.

38642437032 is an abundant number, since it is smaller than the sum of its proper divisors (58421517048).

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

38642437032 is a wasteful number, since it uses less digits than its factorization.

38642437032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7631033 (or 7631029 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 38642437032 in words is "thirty-eight billion, six hundred forty-two million, four hundred thirty-seven thousand, thirty-two".