431666522344442 has 192 divisors, whose sum is σ = 836893683644928. Its totient is φ = 163338484953600.

The previous prime is 431666522344439. The next prime is 431666522344457. The reversal of 431666522344442 is 244443225666134.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101306386592 + ... + 101306390852.

It is an arithmetic number, because the mean of its divisors is an integer number (4358821268984).

Almost surely, 2^{431666522344442} is an apocalyptic number.

431666522344442 is a deficient number, since it is larger than the sum of its proper divisors (405227161300486).

431666522344442 is a wasteful number, since it uses less digits than its factorization.

431666522344442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893 (or 6882 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 56.

The spelling of 431666522344442 in words is "four hundred thirty-one trillion, six hundred sixty-six billion, five hundred twenty-two million, three hundred forty-four thousand, four hundred forty-two".