542649875432 has 32 divisors (see below), whose sum is σ = 1179198933120. Its totient is φ = 229288678080.

The previous prime is 542649875429. The next prime is 542649875447. The reversal of 542649875432 is 234578946245.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68236703 + ... + 68244654.

It is an arithmetic number, because the mean of its divisors is an integer number (36849966660).

Almost surely, 2^542649875432 is an apocalyptic number.

It is an amenable number.

542649875432 is an abundant number, since it is smaller than the sum of its proper divisors (636549057688).

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

542649875432 is a wasteful number, since it uses less digits than its factorization.

542649875432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136481441 (or 136481437 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 59.

The spelling of 542649875432 in words is "five hundred forty-two billion, six hundred forty-nine million, eight hundred seventy-five thousand, four hundred thirty-two".