542564620 has 24 divisors (see below), whose sum is σ = 1227031344. Its totient is φ = 200331456.

The previous prime is 542564611. The next prime is 542564621. The reversal of 542564620 is 26465245.

It is not an unprimeable number, because it can be changed into a prime (542564621) by changing a digit.

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, 1043134 + ... + 1043653.

It is an arithmetic number, because the mean of its divisors is an integer number (51126306).

Almost surely, 2^542564620 is an apocalyptic number.

It is an amenable number.

542564620 is an abundant number, since it is smaller than the sum of its proper divisors (684466724).

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

542564620 is a wasteful number, since it uses less digits than its factorization.

542564620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086809 (or 2086807 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 542564620 is about 23293.0165500306. The cubic root of 542564620 is about 815.6124068362.

The spelling of 542564620 in words is "five hundred forty-two million, five hundred sixty-four thousand, six hundred twenty".