2154079256 has 16 divisors (see below), whose sum is σ = 4615884240. Its totient is φ = 923176800.

The previous prime is 2154079241. The next prime is 2154079259. The reversal of 2154079256 is 6529704512.

It is a super-2 number, since 2×2154079256² = 9280114882259027072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154079259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19232795 + ... + 19232906.

It is an arithmetic number, because the mean of its divisors is an integer number (288492765).

Almost surely, 2^2154079256 is an apocalyptic number.

It is an amenable number.

2154079256 is an abundant number, since it is smaller than the sum of its proper divisors (2461804984).

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

2154079256 is a wasteful number, since it uses less digits than its factorization.

2154079256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38465714 (or 38465710 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 2154079256 is about 46412.0593811565. The cubic root of 2154079256 is about 1291.4786354073.

The spelling of 2154079256 in words is "two billion, one hundred fifty-four million, seventy-nine thousand, two hundred fifty-six".