392328900992 has 128 divisors (see below), whose sum is σ = 932524669440. Its totient is φ = 160754761728.

The previous prime is 392328900989. The next prime is 392328901043. The reversal of 392328900992 is 299009823293.

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

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71239103 + ... + 71244609.

It is an arithmetic number, because the mean of its divisors is an integer number (7285348980).

Almost surely, 2^392328900992 is an apocalyptic number.

392328900992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 392328900992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466262334720).

392328900992 is an abundant number, since it is smaller than the sum of its proper divisors (540195768448).

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

392328900992 is a wasteful number, since it uses less digits than its factorization.

392328900992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008 (or 8996 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 56.

The spelling of 392328900992 in words is "three hundred ninety-two billion, three hundred twenty-eight million, nine hundred thousand, nine hundred ninety-two".