32345728016 has 20 divisors (see below), whose sum is σ = 71622683712. Its totient is φ = 13862454816.

The previous prime is 32345727991. The next prime is 32345728031. The reversal of 32345728016 is 61082754323.

It is a super-2 number, since 2×32345728016² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144400460 + ... + 144400683.

Almost surely, 2^32345728016 is an apocalyptic number.

It is an amenable number.

32345728016 is an abundant number, since it is smaller than the sum of its proper divisors (39276955696).

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

32345728016 is a wasteful number, since it uses less digits than its factorization.

32345728016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288801158 (or 288801152 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 32345728016 in words is "thirty-two billion, three hundred forty-five million, seven hundred twenty-eight thousand, sixteen".