390982573696 has 128 divisors (see below), whose sum is σ = 915967866240. Its totient is φ = 163890155520.

The previous prime is 390982573693. The next prime is 390982573753. The reversal of 390982573696 is 696375289093.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×390982573696² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (390982573693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19996501 + ... + 20016043.

It is an arithmetic number, because the mean of its divisors is an integer number (7155998955).

Almost surely, 2^390982573696 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 390982573696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457983933120).

390982573696 is an abundant number, since it is smaller than the sum of its proper divisors (524985292544).

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

390982573696 is a wasteful number, since it uses less digits than its factorization.

390982573696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20674 (or 20662 counting only the distinct ones).

The product of its (nonzero) digits is 132269760, while the sum is 67.

The spelling of 390982573696 in words is "three hundred ninety billion, nine hundred eighty-two million, five hundred seventy-three thousand, six hundred ninety-six".