2642625456 has 20 divisors (see below), whose sum is σ = 6826782552. Its totient is φ = 880875136.

The previous prime is 2642625443. The next prime is 2642625499. The reversal of 2642625456 is 6545262462.

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, 27527301 + ... + 27527396.

Almost surely, 2^2642625456 is an apocalyptic number.

It is an amenable number.

2642625456 is an abundant number, since it is smaller than the sum of its proper divisors (4184157096).

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

2642625456 is a wasteful number, since it uses less digits than its factorization.

2642625456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55054708 (or 55054702 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The square root of 2642625456 is about 51406.4728998207. The cubic root of 2642625456 is about 1382.5426510805.

The spelling of 2642625456 in words is "two billion, six hundred forty-two million, six hundred twenty-five thousand, four hundred fifty-six".