1390955033972 has 72 divisors (see below), whose sum is σ = 2858568914880. Its totient is φ = 590463095040.

The previous prime is 1390955033953. The next prime is 1390955034023. The reversal of 1390955033972 is 2793305590931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11737697 + ... + 11855607.

It is an arithmetic number, because the mean of its divisors is an integer number (39702346040).

Almost surely, 2^{1390955033972} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390955033972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429284457440).

1390955033972 is an abundant number, since it is smaller than the sum of its proper divisors (1467613880908).

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

1390955033972 is a wasteful number, since it uses less digits than its factorization.

1390955033972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118501 (or 118492 counting only the distinct ones).

The product of its (nonzero) digits is 6889050, while the sum is 56.

The spelling of 1390955033972 in words is "one trillion, three hundred ninety billion, nine hundred fifty-five million, thirty-three thousand, nine hundred seventy-two".