13396580256 has 24 divisors (see below), whose sum is σ = 35166023424. Its totient is φ = 4465526720.

The previous prime is 13396580251. The next prime is 13396580291. The reversal of 13396580256 is 65208569331.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (13396580251) 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, 69773760 + ... + 69773951.

It is an arithmetic number, because the mean of its divisors is an integer number (1465250976).

Almost surely, 2^13396580256 is an apocalyptic number.

13396580256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13396580256 is an abundant number, since it is smaller than the sum of its proper divisors (21769443168).

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

13396580256 is a wasteful number, since it uses less digits than its factorization.

13396580256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139547724 (or 139547716 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 13396580256 in words is "thirteen billion, three hundred ninety-six million, five hundred eighty thousand, two hundred fifty-six".