542481804 has 36 divisors (see below), whose sum is σ = 1372709520. Its totient is φ = 180637920.

The previous prime is 542481791. The next prime is 542481817. The reversal of 542481804 is 408184245.

It is an interprime number because it is at equal distance from previous prime (542481791) and next prime (542481817).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29377 + ... + 44135.

It is an arithmetic number, because the mean of its divisors is an integer number (38130820).

Almost surely, 2^542481804 is an apocalyptic number.

It is an amenable number.

542481804 is an abundant number, since it is smaller than the sum of its proper divisors (830227716).

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

542481804 is a wasteful number, since it uses less digits than its factorization.

542481804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15790 (or 15785 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 542481804 is about 23291.2387819970. The cubic root of 542481804 is about 815.5709068983.

The spelling of 542481804 in words is "five hundred forty-two million, four hundred eighty-one thousand, eight hundred four".