10402744256 has 14 divisors (see below), whose sum is σ = 20642945760. Its totient is φ = 5201372096.

The previous prime is 10402744199. The next prime is 10402744273. The reversal of 10402744256 is 65244720401.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81271376 + ... + 81271503.

Almost surely, 2^10402744256 is an apocalyptic number.

10402744256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10402744256 is a deficient number, since it is larger than the sum of its proper divisors (10240201504).

10402744256 is an equidigital number, since it uses as much as digits as its factorization.

10402744256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162542891 (or 162542881 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 10402744256 in words is "ten billion, four hundred two million, seven hundred forty-four thousand, two hundred fifty-six".