2154086928 has 60 divisors (see below), whose sum is σ = 6889662208. Its totient is φ = 615453120.

The previous prime is 2154086903. The next prime is 2154086941. The reversal of 2154086928 is 8296804512.

2154086928 is a `hidden beast` number, since 2 + 1 + 540 + 86 + 9 + 28 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1067488 + ... + 1069503.

Almost surely, 2^2154086928 is an apocalyptic number.

2154086928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2154086928 is an abundant number, since it is smaller than the sum of its proper divisors (4735575280).

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

2154086928 is a wasteful number, since it uses less digits than its factorization.

2154086928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137012 (or 2137003 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 2154086928 is about 46412.1420320157. The cubic root of 2154086928 is about 1291.4801686551.

The spelling of 2154086928 in words is "two billion, one hundred fifty-four million, eighty-six thousand, nine hundred twenty-eight".