13312655442 has 24 divisors (see below), whose sum is σ = 28916032860. Its totient is φ = 4426483200.

The previous prime is 13312655429. The next prime is 13312655467. The reversal of 13312655442 is 24455621331.

13312655442 is a `hidden beast` number, since 13 + 31 + 26 + 554 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9110893401 + 4201762041 = 95451^2 + 64821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13312655397 and 13312655406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914967 + ... + 929402.

Almost surely, 2^13312655442 is an apocalyptic number.

13312655442 is an abundant number, since it is smaller than the sum of its proper divisors (15603377418).

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

13312655442 is a wasteful number, since it uses less digits than its factorization.

13312655442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844778 (or 1844775 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 13312655442 in words is "thirteen billion, three hundred twelve million, six hundred fifty-five thousand, four hundred forty-two".