13402504444 has 12 divisors (see below), whose sum is σ = 26805008944. Its totient is φ = 5743930464.

The previous prime is 13402504417. The next prime is 13402504447. The reversal of 13402504444 is 44440520431.

13402504444 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402504447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239330409 + ... + 239330464.

Almost surely, 2^13402504444 is an apocalyptic number.

13402504444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13402504444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13402504444 is a wasteful number, since it uses less digits than its factorization.

13402504444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478660884 (or 478660882 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The spelling of 13402504444 in words is "thirteen billion, four hundred two million, five hundred four thousand, four hundred forty-four".