542445504120656 has 20 divisors (see below), whose sum is σ = 1051071109000704. Its totient is φ = 271201346959200.

The previous prime is 542445504120631. The next prime is 542445504120769. The reversal of 542445504120656 is 656021405544245.

It is a junction number, because it is equal to n+sod(n) for n = 542445504120598 and 542445504120607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337609750 + ... + 1338015221.

Almost surely, 2^{542445504120656} is an apocalyptic number.

It is an amenable number.

542445504120656 is a deficient number, since it is larger than the sum of its proper divisors (508625604880048).

542445504120656 is a wasteful number, since it uses less digits than its factorization.

542445504120656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675637650 (or 2675637644 counting only the distinct ones).

The product of its (nonzero) digits is 23040000, while the sum is 53.

The spelling of 542445504120656 in words is "five hundred forty-two trillion, four hundred forty-five billion, five hundred four million, one hundred twenty thousand, six hundred fifty-six".