1390348056996 has 18 divisors (see below), whose sum is σ = 3514490921942. Its totient is φ = 463449352320.

The previous prime is 1390348056961. The next prime is 1390348057001. The reversal of 1390348056996 is 6996508430931.

1390348056996 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 3 + 480 + 5 + 69 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1266556671396 + 123791385600 = 1125414^2 + 351840^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19310389645 + ... + 19310389716.

Almost surely, 2^{1390348056996} is an apocalyptic number.

It is an amenable number.

1390348056996 is an abundant number, since it is smaller than the sum of its proper divisors (2124142864946).

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

1390348056996 is a wasteful number, since it uses less digits than its factorization.

1390348056996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38620779371 (or 38620779366 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 1390348056996 in words is "one trillion, three hundred ninety billion, three hundred forty-eight million, fifty-six thousand, nine hundred ninety-six".