392257044992 has 90 divisors (see below), whose sum is σ = 795209984349. Its totient is φ = 193301278720.

The previous prime is 392257044983. The next prime is 392257045001. The reversal of 392257044992 is 299440752293.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (392257044983) and next prime (392257045001).

It can be written as a sum of positive squares in 2 ways, for example, as 350634516736 + 41622528256 = 592144^2 + 204016^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=442864.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1261276517 + ... + 1261276827.

Almost surely, 2^392257044992 is an apocalyptic number.

392257044992 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 392257044992

392257044992 is an abundant number, since it is smaller than the sum of its proper divisors (402952939357).

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

392257044992 is an frugal number, since it uses more digits than its factorization.

392257044992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 392257044992 in words is "three hundred ninety-two billion, two hundred fifty-seven million, forty-four thousand, nine hundred ninety-two".