1399957175568 has 40 divisors (see below), whose sum is σ = 4133206900288. Its totient is φ = 399987764352.

The previous prime is 1399957175549. The next prime is 1399957175587. The reversal of 1399957175568 is 8655717599931.

It is an interprime number because it is at equal distance from previous prime (1399957175549) and next prime (1399957175587).

It is a super-2 number, since 2×1399957175568² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1399957175568.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083269271 + ... + 2083269942.

Almost surely, 2^{1399957175568} is an apocalyptic number.

It is an amenable number.

1399957175568 is an abundant number, since it is smaller than the sum of its proper divisors (2733249724720).

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

1399957175568 is a wasteful number, since it uses less digits than its factorization.

1399957175568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166539231 (or 4166539225 counting only the distinct ones).

The product of its digits is 642978000, while the sum is 75.

The spelling of 1399957175568 in words is "one trillion, three hundred ninety-nine billion, nine hundred fifty-seven million, one hundred seventy-five thousand, five hundred sixty-eight".