542791968 has 24 divisors (see below), whose sum is σ = 1424829168. Its totient is φ = 180930624.

The previous prime is 542791939. The next prime is 542791979. The reversal of 542791968 is 869197245.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 542791968.

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, 2826946 + ... + 2827137.

It is an arithmetic number, because the mean of its divisors is an integer number (59367882).

Almost surely, 2^542791968 is an apocalyptic number.

It is an amenable number.

542791968 is an abundant number, since it is smaller than the sum of its proper divisors (882037200).

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

542791968 is a wasteful number, since it uses less digits than its factorization.

542791968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5654096 (or 5654088 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 542791968 is about 23297.8962140362. The cubic root of 542791968 is about 815.7263115209.

The spelling of 542791968 in words is "five hundred forty-two million, seven hundred ninety-one thousand, nine hundred sixty-eight".