1376390275264 has 14 divisors (see below), whose sum is σ = 2731274452604. Its totient is φ = 688195137600.

The previous prime is 1376390275223. The next prime is 1376390275289. The reversal of 1376390275264 is 4625720936731.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10753048962 + ... + 10753049089.

Almost surely, 2^{1376390275264} is an apocalyptic number.

It is an amenable number.

1376390275264 is a deficient number, since it is larger than the sum of its proper divisors (1354884177340).

1376390275264 is an equidigital number, since it uses as much as digits as its factorization.

1376390275264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21506098063 (or 21506098053 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 55.

The spelling of 1376390275264 in words is "one trillion, three hundred seventy-six billion, three hundred ninety million, two hundred seventy-five thousand, two hundred sixty-four".