542394870 has 16 divisors (see below), whose sum is σ = 1301747760. Its totient is φ = 144638624.

The previous prime is 542394857. The next prime is 542394887. The reversal of 542394870 is 78493245.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9039885 + ... + 9039944.

It is an arithmetic number, because the mean of its divisors is an integer number (81359235).

Almost surely, 2^542394870 is an apocalyptic number.

542394870 is an abundant number, since it is smaller than the sum of its proper divisors (759352890).

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

542394870 is a wasteful number, since it uses less digits than its factorization.

542394870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18079839.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 542394870 is about 23289.3724690040. The cubic root of 542394870 is about 815.5273388447.

The spelling of 542394870 in words is "five hundred forty-two million, three hundred ninety-four thousand, eight hundred seventy".