396424139794 has 32 divisors (see below), whose sum is σ = 608969491200. Its totient is φ = 193495011840.

The previous prime is 396424139789. The next prime is 396424139843. The reversal of 396424139794 is 497931424693.

It is a super-2 number, since 2×396424139794² (a number of 24 digits) contains 22 as substring.

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, 16248697 + ... + 16273075.

It is an arithmetic number, because the mean of its divisors is an integer number (19030296600).

Almost surely, 2^396424139794 is an apocalyptic number.

396424139794 is a deficient number, since it is larger than the sum of its proper divisors (212545351406).

396424139794 is a wasteful number, since it uses less digits than its factorization.

396424139794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25618.

The product of its digits is 35271936, while the sum is 61.

The spelling of 396424139794 in words is "three hundred ninety-six billion, four hundred twenty-four million, one hundred thirty-nine thousand, seven hundred ninety-four".