542441240 has 64 divisors (see below), whose sum is σ = 1333856160. Its totient is φ = 196894720.

The previous prime is 542441227. The next prime is 542441261. The reversal of 542441240 is 42144245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445112 + ... + 446328.

Almost surely, 2^542441240 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 542441240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666928080).

542441240 is an abundant number, since it is smaller than the sum of its proper divisors (791414920).

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

542441240 is a wasteful number, since it uses less digits than its factorization.

542441240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 542441240 is about 23290.3679661786. The cubic root of 542441240 is about 815.5505783253.

Adding to 542441240 its reverse (42144245), we get a palindrome (584585485).

It can be divided in two parts, 5424 and 41240, that added together give a palindrome (46664).

The spelling of 542441240 in words is "five hundred forty-two million, four hundred forty-one thousand, two hundred forty".