542021344 has 24 divisors (see below), whose sum is σ = 1068779880. Its totient is φ = 270585216.

The previous prime is 542021317. The next prime is 542021383. The reversal of 542021344 is 443120245.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7927 + ... + 33865.

It is an arithmetic number, because the mean of its divisors is an integer number (44532495).

Almost surely, 2^542021344 is an apocalyptic number.

It is an amenable number.

542021344 is a deficient number, since it is larger than the sum of its proper divisors (526758536).

542021344 is a wasteful number, since it uses less digits than its factorization.

542021344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26602 (or 26594 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 542021344 is about 23281.3518507839. The cubic root of 542021344 is about 815.3400886603.

Adding to 542021344 its reverse (443120245), we get a palindrome (985141589).

The spelling of 542021344 in words is "five hundred forty-two million, twenty-one thousand, three hundred forty-four".