13556410624 has 81 divisors (see below), whose sum is σ = 28633789443. Its totient is φ = 6404691456.

The previous prime is 13556410619. The next prime is 13556410627. The reversal of 13556410624 is 42601465531.

The square root of 13556410624 is 116432.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13556410627) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35395137 + ... + 35395519.

Almost surely, 2^13556410624 is an apocalyptic number.

13556410624 is the 116432-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13556410624

13556410624 is an abundant number, since it is smaller than the sum of its proper divisors (15077378819).

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

13556410624 is an frugal number, since it uses more digits than its factorization.

13556410624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 13556410624 in words is "thirteen billion, five hundred fifty-six million, four hundred ten thousand, six hundred twenty-four".