2156252754 has 16 divisors (see below), whose sum is σ = 4313069280. Its totient is φ = 718656960.

The previous prime is 2156252743. The next prime is 2156252773. The reversal of 2156252754 is 4572526512.

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, 39034 + ... + 76394.

It is an arithmetic number, because the mean of its divisors is an integer number (269566830).

Almost surely, 2^2156252754 is an apocalyptic number.

2156252754 is an abundant number, since it is smaller than the sum of its proper divisors (2156816526).

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

2156252754 is a wasteful number, since it uses less digits than its factorization.

2156252754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46985.

The product of its digits is 168000, while the sum is 39.

The square root of 2156252754 is about 46435.4687065825. The cubic root of 2156252754 is about 1291.9128631083.

The spelling of 2156252754 in words is "two billion, one hundred fifty-six million, two hundred fifty-two thousand, seven hundred fifty-four".