13402642572 has 72 divisors (see below), whose sum is σ = 37564751952. Its totient is φ = 3994819200.

The previous prime is 13402642553. The next prime is 13402642573. The reversal of 13402642572 is 27524620431.

13402642572 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 2 + 642 + 5 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13402642573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253263 + ... + 301574.

It is an arithmetic number, because the mean of its divisors is an integer number (521732666).

Almost surely, 2^13402642572 is an apocalyptic number.

13402642572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13402642572 is an abundant number, since it is smaller than the sum of its proper divisors (24162109380).

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

13402642572 is a wasteful number, since it uses less digits than its factorization.

13402642572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554919 (or 554914 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 13402642572 in words is "thirteen billion, four hundred two million, six hundred forty-two thousand, five hundred seventy-two".