542123632 has 20 divisors (see below), whose sum is σ = 1060184376. Its totient is φ = 268527680.

The previous prime is 542123627. The next prime is 542123671. The reversal of 542123632 is 236321245.

It is a self number, because there is not a number n which added to its sum of digits gives 542123632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156619 + ... + 160042.

Almost surely, 2^542123632 is an apocalyptic number.

It is an amenable number.

542123632 is a deficient number, since it is larger than the sum of its proper divisors (518060744).

542123632 is a wasteful number, since it uses less digits than its factorization.

542123632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316776 (or 316770 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 542123632 is about 23283.5485268032. The cubic root of 542123632 is about 815.3913746243.

Adding to 542123632 its reverse (236321245), we get a palindrome (778444877).

The spelling of 542123632 in words is "five hundred forty-two million, one hundred twenty-three thousand, six hundred thirty-two".