2564356234 has 64 divisors (see below), whose sum is σ = 4391936640. Its totient is φ = 1112832000.

The previous prime is 2564356183. The next prime is 2564356241. The reversal of 2564356234 is 4326534652.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14167624 + ... + 14167804.

It is an arithmetic number, because the mean of its divisors is an integer number (68624010).

Almost surely, 2^2564356234 is an apocalyptic number.

2564356234 is a deficient number, since it is larger than the sum of its proper divisors (1827580406).

2564356234 is a wasteful number, since it uses less digits than its factorization.

2564356234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its digits is 518400, while the sum is 40.

The square root of 2564356234 is about 50639.4730817768. The cubic root of 2564356234 is about 1368.7562608945.

The spelling of 2564356234 in words is "two billion, five hundred sixty-four million, three hundred fifty-six thousand, two hundred thirty-four".