542231244 has 18 divisors (see below), whose sum is σ = 1370640180. Its totient is φ = 180743736.

The previous prime is 542231227. The next prime is 542231251. The reversal of 542231244 is 442132245.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7530954 + ... + 7531025.

Almost surely, 2^542231244 is an apocalyptic number.

It is an amenable number.

542231244 is an abundant number, since it is smaller than the sum of its proper divisors (828408936).

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

542231244 is a wasteful number, since it uses less digits than its factorization.

542231244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15061989 (or 15061984 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 542231244 is about 23285.8593141846. The cubic root of 542231244 is about 815.4453230142.

Adding to 542231244 its reverse (442132245), we get a palindrome (984363489).

The spelling of 542231244 in words is "five hundred forty-two million, two hundred thirty-one thousand, two hundred forty-four".