1390325744884 has 6 divisors (see below), whose sum is σ = 2433070053554. Its totient is φ = 695162872440.

The previous prime is 1390325744881. The next prime is 1390325744891. The reversal of 1390325744884 is 4884475230931.

It can be written as a sum of positive squares in only one way, i.e., 1371306576784 + 19019168100 = 1171028^2 + 137910^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390325744881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173790718107 + ... + 173790718114.

Almost surely, 2^{1390325744884} is an apocalyptic number.

It is an amenable number.

1390325744884 is a deficient number, since it is larger than the sum of its proper divisors (1042744308670).

1390325744884 is a wasteful number, since it uses less digits than its factorization.

1390325744884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347581436225 (or 347581436223 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 1390325744884 in words is "one trillion, three hundred ninety billion, three hundred twenty-five million, seven hundred forty-four thousand, eight hundred eighty-four".