2651625264 has 20 divisors (see below), whose sum is σ = 6850032056. Its totient is φ = 883875072.

The previous prime is 2651625241. The next prime is 2651625323. The reversal of 2651625264 is 4625261562.

It is a super-2 number, since 2×2651625264² = 14062233081366139392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27621049 + ... + 27621144.

Almost surely, 2^2651625264 is an apocalyptic number.

2651625264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2651625264 is an abundant number, since it is smaller than the sum of its proper divisors (4198406792).

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

2651625264 is a wasteful number, since it uses less digits than its factorization.

2651625264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55242204 (or 55242198 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 2651625264 is about 51493.9342447244. The cubic root of 2651625264 is about 1384.1103496051.

The spelling of 2651625264 in words is "two billion, six hundred fifty-one million, six hundred twenty-five thousand, two hundred sixty-four".