13461220624 has 20 divisors (see below), whose sum is σ = 27453805840. Its totient is φ = 6376367520.

The previous prime is 13461220589. The next prime is 13461220631. The reversal of 13461220624 is 42602216431.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22139862 + ... + 22140469.

It is an arithmetic number, because the mean of its divisors is an integer number (1372690292).

Almost surely, 2^13461220624 is an apocalyptic number.

It is an amenable number.

13461220624 is an abundant number, since it is smaller than the sum of its proper divisors (13992585216).

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

13461220624 is a wasteful number, since it uses less digits than its factorization.

13461220624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44280358 (or 44280352 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

It can be divided in two parts, 134612 and 20624, that added together give a square (155236 = 394²).

The spelling of 13461220624 in words is "thirteen billion, four hundred sixty-one million, two hundred twenty thousand, six hundred twenty-four".