15472394928 has 40 divisors (see below), whose sum is σ = 44411505200. Its totient is φ = 5157464832.

The previous prime is 15472394881. The next prime is 15472394941. The reversal of 15472394928 is 82949327451.

15472394928 is a `hidden beast` number, since 1 + 54 + 72 + 39 + 492 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 17907433 + ... + 17908296.

It is an arithmetic number, because the mean of its divisors is an integer number (1110287630).

Almost surely, 2^15472394928 is an apocalyptic number.

15472394928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15472394928 is an abundant number, since it is smaller than the sum of its proper divisors (28939110272).

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

15472394928 is a wasteful number, since it uses less digits than its factorization.

15472394928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35815746 (or 35815734 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 15472394928 in words is "fifteen billion, four hundred seventy-two million, three hundred ninety-four thousand, nine hundred twenty-eight".