28446160032 has 72 divisors (see below), whose sum is σ = 83080116756. Its totient is φ = 9225778176.

The previous prime is 28446160031. The next prime is 28446160109. The reversal of 28446160032 is 23006164482.

28446160032 is a `hidden beast` number, since 2 + 8 + 4 + 4 + 616 + 0 + 0 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26685182736 + 1760977296 = 163356^2 + 41964^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (28446160031) 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, 1324093 + ... + 1345404.

Almost surely, 2^28446160032 is an apocalyptic number.

It is an amenable number.

28446160032 is an abundant number, since it is smaller than the sum of its proper divisors (54633956724).

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

28446160032 is a wasteful number, since it uses less digits than its factorization.

28446160032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669550 (or 2669539 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 28446160032 in words is "twenty-eight billion, four hundred forty-six million, one hundred sixty thousand, thirty-two".