10256270642 has 18 divisors (see below), whose sum is σ = 16241036733. Its totient is φ = 4856944464.

The previous prime is 10256270627. The next prime is 10256270677. The reversal of 10256270642 is 24607265201.

It can be written as a sum of positive squares in 2 ways, for example, as 8992539241 + 1263731401 = 94829^2 + 35549^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=71611.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2719334 + ... + 2723102.

Almost surely, 2^10256270642 is an apocalyptic number.

10256270642 is a deficient number, since it is larger than the sum of its proper divisors (5984766091).

10256270642 is an frugal number, since it uses more digits than its factorization.

10256270642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7578 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 10256270642 in words is "ten billion, two hundred fifty-six million, two hundred seventy thousand, six hundred forty-two".