542949632 has 54 divisors (see below), whose sum is σ = 1101408378. Its totient is φ = 267108352.

The previous prime is 542949619. The next prime is 542949637. The reversal of 542949632 is 236949245.

It can be written as a sum of positive squares in 3 ways, for example, as 12845056 + 530104576 = 3584^2 + 23024^2 .

It is not an unprimeable number, because it can be changed into a prime (542949637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3963068 + ... + 3963204.

Almost surely, 2^542949632 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 542949632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550704189).

542949632 is an abundant number, since it is smaller than the sum of its proper divisors (558458746).

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

542949632 is an equidigital number, since it uses as much as digits as its factorization.

542949632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 252 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 542949632 is about 23301.2796215144. The cubic root of 542949632 is about 815.8052848233.

The spelling of 542949632 in words is "five hundred forty-two million, nine hundred forty-nine thousand, six hundred thirty-two".