542238472 has 8 divisors (see below), whose sum is σ = 1016697150. Its totient is φ = 271119232.

The previous prime is 542238467. The next prime is 542238493. The reversal of 542238472 is 274832245.

It can be written as a sum of positive squares in only one way, i.e., 542237796 + 676 = 23286^2 + 26^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 33889897 + ... + 33889912.

Almost surely, 2^542238472 is an apocalyptic number.

It is an amenable number.

542238472 is a deficient number, since it is larger than the sum of its proper divisors (474458678).

542238472 is a wasteful number, since it uses less digits than its factorization.

542238472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67779815 (or 67779811 counting only the distinct ones).

The product of its digits is 107520, while the sum is 37.

The square root of 542238472 is about 23286.0145151548. The cubic root of 542238472 is about 815.4489463224.

The spelling of 542238472 in words is "five hundred forty-two million, two hundred thirty-eight thousand, four hundred seventy-two".