542005244 has 24 divisors (see below), whose sum is σ = 1070420400. Its totient is φ = 237870080.

The previous prime is 542005241. The next prime is 542005301. The reversal of 542005244 is 442500245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542005241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211109 + ... + 213660.

It is an arithmetic number, because the mean of its divisors is an integer number (44600850).

Almost surely, 2^542005244 is an apocalyptic number.

It is an amenable number.

542005244 is a deficient number, since it is larger than the sum of its proper divisors (528415156).

542005244 is a wasteful number, since it uses less digits than its factorization.

542005244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424813 (or 424811 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 542005244 is about 23281.0060779168. The cubic root of 542005244 is about 815.3320157277.

Adding to 542005244 its reverse (442500245), we get a palindrome (984505489).

The spelling of 542005244 in words is "five hundred forty-two million, five thousand, two hundred forty-four".