10256274520 has 16 divisors (see below), whose sum is σ = 23076617760. Its totient is φ = 4102509792.

The previous prime is 10256274487. The next prime is 10256274521. The reversal of 10256274520 is 2547265201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256274521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128203392 + ... + 128203471.

It is an arithmetic number, because the mean of its divisors is an integer number (1442288610).

Almost surely, 2^10256274520 is an apocalyptic number.

10256274520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10256274520 is an abundant number, since it is smaller than the sum of its proper divisors (12820343240).

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

10256274520 is a wasteful number, since it uses less digits than its factorization.

10256274520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256406874 (or 256406870 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 10256274520 in words is "ten billion, two hundred fifty-six million, two hundred seventy-four thousand, five hundred twenty".