392144537868 has 48 divisors (see below), whose sum is σ = 954839026176. Its totient is φ = 125024739840.

The previous prime is 392144537839. The next prime is 392144537923. The reversal of 392144537868 is 868735441293.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

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, 8032380 + ... + 8081052.

It is an arithmetic number, because the mean of its divisors is an integer number (19892479712).

Almost surely, 2^392144537868 is an apocalyptic number.

It is an amenable number.

392144537868 is an abundant number, since it is smaller than the sum of its proper divisors (562694488308).

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

392144537868 is a wasteful number, since it uses less digits than its factorization.

392144537868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77894 (or 77892 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The spelling of 392144537868 in words is "three hundred ninety-two billion, one hundred forty-four million, five hundred thirty-seven thousand, eight hundred sixty-eight".