13442666352 has 20 divisors (see below), whose sum is σ = 34726888200. Its totient is φ = 4480888768.

The previous prime is 13442666323. The next prime is 13442666477. The reversal of 13442666352 is 25366624431.

It is a happy number.

It is a congruent number.

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, 140027727 + ... + 140027822.

It is an arithmetic number, because the mean of its divisors is an integer number (1736344410).

Almost surely, 2^13442666352 is an apocalyptic number.

13442666352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13442666352 is an abundant number, since it is smaller than the sum of its proper divisors (21284221848).

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

13442666352 is a wasteful number, since it uses less digits than its factorization.

13442666352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280055560 (or 280055554 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

The spelling of 13442666352 in words is "thirteen billion, four hundred forty-two million, six hundred sixty-six thousand, three hundred fifty-two".