542371812 has 24 divisors (see below), whose sum is σ = 1270211712. Its totient is φ = 180122400.

The previous prime is 542371799. The next prime is 542371831. The reversal of 542371812 is 218173245.

It is a super-3 number, since 3×542371812³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80139 + ... + 86642.

It is an arithmetic number, because the mean of its divisors is an integer number (52925488).

Almost surely, 2^542371812 is an apocalyptic number.

It is an amenable number.

542371812 is an abundant number, since it is smaller than the sum of its proper divisors (727839900).

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

542371812 is a wasteful number, since it uses less digits than its factorization.

542371812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167059 (or 167057 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 542371812 is about 23288.8774310828. The cubic root of 542371812 is about 815.5157822606.

The spelling of 542371812 in words is "five hundred forty-two million, three hundred seventy-one thousand, eight hundred twelve".