542111232 has 160 divisors (see below), whose sum is σ = 1647832032. Its totient is φ = 156893184.

The previous prime is 542111221. The next prime is 542111233. The reversal of 542111232 is 232111245.

It is a junction number, because it is equal to n+sod(n) for n = 542111199 and 542111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542111233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338658 + ... + 340254.

Almost surely, 2^542111232 is an apocalyptic number.

542111232 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542111232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823916016).

542111232 is an abundant number, since it is smaller than the sum of its proper divisors (1105720800).

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

542111232 is a wasteful number, since it uses less digits than its factorization.

542111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1632 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 542111232 is about 23283.2822428454. The cubic root of 542111232 is about 815.3851577581.

Adding to 542111232 its reverse (232111245), we get a palindrome (774222477).

It can be divided in two parts, 5421 and 11232, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 542111232 in words is "five hundred forty-two million, one hundred eleven thousand, two hundred thirty-two".