394142241492 has 48 divisors (see below), whose sum is σ = 1021959052800. Its totient is φ = 131366759040.

The previous prime is 394142241433. The next prime is 394142241527. The reversal of 394142241492 is 294142241493.

394142241492 is a `hidden beast` number, since 3 + 9 + 4 + 142 + 2 + 414 + 92 = 666.

It is a nude number because it is divisible by every one of its digits.

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, 850684 + ... + 1229612.

It is an arithmetic number, because the mean of its divisors is an integer number (21290813600).

Almost surely, 2^394142241492 is an apocalyptic number.

It is an amenable number.

394142241492 is an abundant number, since it is smaller than the sum of its proper divisors (627816811308).

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

394142241492 is a wasteful number, since it uses less digits than its factorization.

394142241492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388573 (or 388565 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

Subtracting from 394142241492 its reverse (294142241493), we obtain a palindrome (99999999999).

The spelling of 394142241492 in words is "three hundred ninety-four billion, one hundred forty-two million, two hundred forty-one thousand, four hundred ninety-two".