542456880 has 80 divisors (see below), whose sum is σ = 1921853184. Its totient is φ = 123989760.

The previous prime is 542456851. The next prime is 542456881. The reversal of 542456880 is 88654245.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (542456881) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 159766 + ... + 163125.

Almost surely, 2^542456880 is an apocalyptic number.

It is an amenable number.

542456880 is an abundant number, since it is smaller than the sum of its proper divisors (1379396304).

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

542456880 is a wasteful number, since it uses less digits than its factorization.

542456880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322914 (or 322908 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 542456880 is about 23290.7037248770. The cubic root of 542456880 is about 815.5584164022.

The spelling of 542456880 in words is "five hundred forty-two million, four hundred fifty-six thousand, eight hundred eighty".