542102232 has 128 divisors (see below), whose sum is σ = 1595635200. Its totient is φ = 150279168.

The previous prime is 542102219. The next prime is 542102233. The reversal of 542102232 is 232201245.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 542102199 and 542102208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542102233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 952444 + ... + 953012.

It is an arithmetic number, because the mean of its divisors is an integer number (12465900).

Almost surely, 2^542102232 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 542102232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797817600).

542102232 is an abundant number, since it is smaller than the sum of its proper divisors (1053532968).

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

542102232 is a wasteful number, since it uses less digits than its factorization.

542102232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 542102232 is about 23283.0889703235. The cubic root of 542102232 is about 815.3806454572.

Adding to 542102232 its reverse (232201245), we get a palindrome (774303477).

The spelling of 542102232 in words is "five hundred forty-two million, one hundred two thousand, two hundred thirty-two".