542320520 has 32 divisors (see below), whose sum is σ = 1394539200. Its totient is φ = 185938368.

The previous prime is 542320517. The next prime is 542320631. The reversal of 542320520 is 25023245.

It is a super-2 number, since 2×542320520² = 588223092826140800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968150 + ... + 968709.

It is an arithmetic number, because the mean of its divisors is an integer number (43579350).

Almost surely, 2^542320520 is an apocalyptic number.

It is an amenable number.

542320520 is an abundant number, since it is smaller than the sum of its proper divisors (852218680).

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

542320520 is a wasteful number, since it uses less digits than its factorization.

542320520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936877 (or 1936873 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 542320520 is about 23287.7761926724. The cubic root of 542320520 is about 815.4900737256.

Adding to 542320520 its reverse (25023245), we get a palindrome (567343765).

The spelling of 542320520 in words is "five hundred forty-two million, three hundred twenty thousand, five hundred twenty".