542449563344 has 20 divisors (see below), whose sum is σ = 1131841877796. Its totient is φ = 250361336832.

The previous prime is 542449563311. The next prime is 542449563371. The reversal of 542449563344 is 443365944245.

It can be written as a sum of positive squares in 2 ways, for example, as 284600910400 + 257848652944 = 533480^2 + 507788^2 .

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, 1303965089 + ... + 1303965504.

Almost surely, 2^542449563344 is an apocalyptic number.

It is an amenable number.

542449563344 is an abundant number, since it is smaller than the sum of its proper divisors (589392314452).

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

542449563344 is a wasteful number, since it uses less digits than its factorization.

542449563344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607930614 (or 2607930608 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 53.

The spelling of 542449563344 in words is "five hundred forty-two billion, four hundred forty-nine million, five hundred sixty-three thousand, three hundred forty-four".