28132045384 has 32 divisors (see below), whose sum is σ = 55555398720. Its totient is φ = 13328704576.

The previous prime is 28132045351. The next prime is 28132045397. The reversal of 28132045384 is 48354023182.

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, 694759 + ... + 734134.

It is an arithmetic number, because the mean of its divisors is an integer number (1736106210).

Almost surely, 2^28132045384 is an apocalyptic number.

It is an amenable number.

28132045384 is a deficient number, since it is larger than the sum of its proper divisors (27423353336).

28132045384 is a wasteful number, since it uses less digits than its factorization.

28132045384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429029 (or 1429025 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 28132045384 in words is "twenty-eight billion, one hundred thirty-two million, forty-five thousand, three hundred eighty-four".