542204420 has 24 divisors (see below), whose sum is σ = 1139883864. Its totient is φ = 216642816.

The previous prime is 542204407. The next prime is 542204423. The reversal of 542204420 is 24402245.

It can be written as a sum of positive squares in 4 ways, for example, as 1827904 + 540376516 = 1352^2 + 23246^2 .

It is not an unprimeable number, because it can be changed into a prime (542204423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4274 + ... + 33206.

It is an arithmetic number, because the mean of its divisors is an integer number (47495161).

Almost surely, 2^542204420 is an apocalyptic number.

It is an amenable number.

542204420 is an abundant number, since it is smaller than the sum of its proper divisors (597679444).

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

542204420 is a wasteful number, since it uses less digits than its factorization.

542204420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29879 (or 29877 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 542204420 is about 23285.2833351883. The cubic root of 542204420 is about 815.4318761892.

Adding to 542204420 its reverse (24402245), we get a palindrome (566606665).

The spelling of 542204420 in words is "five hundred forty-two million, two hundred four thousand, four hundred twenty".