28864232250 has 64 divisors (see below), whose sum is σ = 82337299200. Its totient is φ = 6597537600.

The previous prime is 28864232249. The next prime is 28864232263. The reversal of 28864232250 is 5223246882.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 2743725 + ... + 2754224.

It is an arithmetic number, because the mean of its divisors is an integer number (1286520300).

Almost surely, 2^28864232250 is an apocalyptic number.

28864232250 is an abundant number, since it is smaller than the sum of its proper divisors (53473066950).

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

28864232250 is a wasteful number, since it uses less digits than its factorization.

28864232250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497976 (or 5497966 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 28864232250 in words is "twenty-eight billion, eight hundred sixty-four million, two hundred thirty-two thousand, two hundred fifty".