2656250460642 has 16 divisors (see below), whose sum is σ = 5313820190112. Its totient is φ = 885196942080.

The previous prime is 2656250460631. The next prime is 2656250460671. The reversal of 2656250460642 is 2460640526562.

It is a junction number, because it is equal to n+sod(n) for n = 2656250460591 and 2656250460600.

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, 54943359 + ... + 54991682.

It is an arithmetic number, because the mean of its divisors is an integer number (332113761882).

Almost surely, 2^{2656250460642} is an apocalyptic number.

2656250460642 is an abundant number, since it is smaller than the sum of its proper divisors (2657569729470).

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

2656250460642 is a wasteful number, since it uses less digits than its factorization.

2656250460642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109939073.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 2656250460642 in words is "two trillion, six hundred fifty-six billion, two hundred fifty million, four hundred sixty thousand, six hundred forty-two".