542343444 has 24 divisors (see below), whose sum is σ = 1265900160. Its totient is φ = 180719424.

The previous prime is 542343433. The next prime is 542343457. The reversal of 542343444 is 444343245.

It is a super-2 number, since 2×542343444² = 588272822499562272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41397 + ... + 52899.

It is an arithmetic number, because the mean of its divisors is an integer number (52745840).

Almost surely, 2^542343444 is an apocalyptic number.

It is an amenable number.

542343444 is an abundant number, since it is smaller than the sum of its proper divisors (723556716).

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

542343444 is a wasteful number, since it uses less digits than its factorization.

542343444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15439 (or 15437 counting only the distinct ones).

The product of its digits is 92160, while the sum is 33.

The square root of 542343444 is about 23288.2683770176. The cubic root of 542343444 is about 815.5015638748.

Adding to 542343444 its reverse (444343245), we get a palindrome (986686689).

The spelling of 542343444 in words is "five hundred forty-two million, three hundred forty-three thousand, four hundred forty-four".