542240132 has 24 divisors (see below), whose sum is σ = 1085187264. Its totient is φ = 232237152.

The previous prime is 542240087. The next prime is 542240141. The reversal of 542240132 is 231042245.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 542240098 and 542240107.

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, 44618 + ... + 55454.

It is an arithmetic number, because the mean of its divisors is an integer number (45216136).

Almost surely, 2^542240132 is an apocalyptic number.

It is an amenable number.

542240132 is an abundant number, since it is smaller than the sum of its proper divisors (542947132).

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

542240132 is a wasteful number, since it uses less digits than its factorization.

542240132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12635 (or 12633 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 542240132 is about 23286.0501588397. The cubic root of 542240132 is about 815.4497784555.

Adding to 542240132 its reverse (231042245), we get a palindrome (773282377).

It can be divided in two parts, 5422 and 40132, that added together give a palindrome (45554).

The spelling of 542240132 in words is "five hundred forty-two million, two hundred forty thousand, one hundred thirty-two".