542235904 has 36 divisors (see below), whose sum is σ = 1236979744. Its totient is φ = 232386048.

The previous prime is 542235853. The next prime is 542235907. The reversal of 542235904 is 409532245.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 542235904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542235907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149502 + ... + 153085.

Almost surely, 2^542235904 is an apocalyptic number.

It is an amenable number.

542235904 is an abundant number, since it is smaller than the sum of its proper divisors (694743840).

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

542235904 is an equidigital number, since it uses as much as digits as its factorization.

542235904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302610 (or 302596 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 542235904 is about 23285.9593746962. The cubic root of 542235904 is about 815.4476590190.

The spelling of 542235904 in words is "five hundred forty-two million, two hundred thirty-five thousand, nine hundred four".