1388496320974 has 64 divisors (see below), whose sum is σ = 2413197176832. Its totient is φ = 586911744000.

The previous prime is 1388496320947. The next prime is 1388496321011. The reversal of 1388496320974 is 4790236948831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180766414 + ... + 180774094.

It is an arithmetic number, because the mean of its divisors is an integer number (37706205888).

Almost surely, 2^{1388496320974} is an apocalyptic number.

1388496320974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1388496320974 is a deficient number, since it is larger than the sum of its proper divisors (1024700855858).

1388496320974 is a wasteful number, since it uses less digits than its factorization.

1388496320974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8441.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 1388496320974 in words is "one trillion, three hundred eighty-eight billion, four hundred ninety-six million, three hundred twenty thousand, nine hundred seventy-four".