542440241 has 24 divisors (see below), whose sum is σ = 645958656. Its totient is φ = 454053600.

The previous prime is 542440193. The next prime is 542440247. The reversal of 542440241 is 142044245.

It is not a de Polignac number, because 542440241 - 2¹⁰ = 542439217 is a prime.

It is a super-2 number, since 2×542440241² = 588482830112276162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 542440241.

It is not an unprimeable number, because it can be changed into a prime (542440247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416291 + ... + 417591.

It is an arithmetic number, because the mean of its divisors is an integer number (26914944).

Almost surely, 2^542440241 is an apocalyptic number.

It is an amenable number.

542440241 is a deficient number, since it is larger than the sum of its proper divisors (103518415).

542440241 is a wasteful number, since it uses less digits than its factorization.

542440241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1502 counting only the distinct ones).

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

The square root of 542440241 is about 23290.3465195347. The cubic root of 542440241 is about 815.5500776655.

Adding to 542440241 its reverse (142044245), we get a palindrome (684484486).

The spelling of 542440241 in words is "five hundred forty-two million, four hundred forty thousand, two hundred forty-one".