542445544 has 16 divisors (see below), whose sum is σ = 1017429120. Its totient is φ = 271131120.

The previous prime is 542445523. The next prime is 542445557. The reversal of 542445544 is 445544245.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18217 + ... + 37639.

It is an arithmetic number, because the mean of its divisors is an integer number (63589320).

Almost surely, 2^542445544 is an apocalyptic number.

It is an amenable number.

542445544 is a deficient number, since it is larger than the sum of its proper divisors (474983576).

542445544 is a wasteful number, since it uses less digits than its factorization.

542445544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22920 (or 22916 counting only the distinct ones).

The product of its digits is 256000, while the sum is 37.

The square root of 542445544 is about 23290.4603647073. The cubic root of 542445544 is about 815.5527353149.

Adding to 542445544 its reverse (445544245), we get a palindrome (987989789).

The spelling of 542445544 in words is "five hundred forty-two million, four hundred forty-five thousand, five hundred forty-four".