542265804 has 18 divisors (see below), whose sum is σ = 1370727540. Its totient is φ = 180755256.

The previous prime is 542265799. The next prime is 542265811. The reversal of 542265804 is 408562245.

It is a happy number.

542265804 is a `hidden beast` number, since 54 + 2 + 26 + 580 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15062939 = 542265804 / (5 + 4 + 2 + 2 + 6 + 5 + 8 + 0 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7531434 + ... + 7531505.

It is an arithmetic number, because the mean of its divisors is an integer number (76151530).

Almost surely, 2^542265804 is an apocalyptic number.

It is an amenable number.

542265804 is an abundant number, since it is smaller than the sum of its proper divisors (828461736).

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

542265804 is a wasteful number, since it uses less digits than its factorization.

542265804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15062949 (or 15062944 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 542265804 is about 23286.6013836283. The cubic root of 542265804 is about 815.4626472291.

The spelling of 542265804 in words is "five hundred forty-two million, two hundred sixty-five thousand, eight hundred four".