392744135133712 has 40 divisors (see below), whose sum is σ = 815901814656000. Its totient is φ = 182481266053632.

The previous prime is 392744135133617. The next prime is 392744135133719. The reversal of 392744135133712 is 217331531447293.

It is a super-2 number, since 2×392744135133712² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (392744135133719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9138663712 + ... + 9138706687.

It is an arithmetic number, because the mean of its divisors is an integer number (20397545366400).

Almost surely, 2^{392744135133712} is an apocalyptic number.

It is an amenable number.

392744135133712 is an abundant number, since it is smaller than the sum of its proper divisors (423157679522288).

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

392744135133712 is a wasteful number, since it uses less digits than its factorization.

392744135133712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18277370503 (or 18277370497 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 55.

The spelling of 392744135133712 in words is "three hundred ninety-two trillion, seven hundred forty-four billion, one hundred thirty-five million, one hundred thirty-three thousand, seven hundred twelve".