542819232 has 84 divisors (see below), whose sum is σ = 1602348930. Its totient is φ = 180931968.

The previous prime is 542819203. The next prime is 542819243. The reversal of 542819232 is 232918245.

It is a happy number.

542819232 is a `hidden beast` number, since 542 + 81 + 9 + 2 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 480661776 + 62157456 = 21924^2 + 7884^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 in 13 ways as a sum of consecutive naturals, for example, 11694 + ... + 34962.

Almost surely, 2^542819232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542819232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801174465).

542819232 is an abundant number, since it is smaller than the sum of its proper divisors (1059529698).

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

542819232 is an equidigital number, since it uses as much as digits as its factorization.

542819232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23297 (or 23274 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 542819232 is about 23298.4813238975. The cubic root of 542819232 is about 815.7399690491.

The spelling of 542819232 in words is "five hundred forty-two million, eight hundred nineteen thousand, two hundred thirty-two".