542415320 has 32 divisors (see below), whose sum is σ = 1241125200. Its totient is φ = 213287808.

The previous prime is 542415319. The next prime is 542415323. The reversal of 542415320 is 23514245.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 542415320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542415323) 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, 112559 + ... + 117278.

Almost surely, 2^542415320 is an apocalyptic number.

It is an amenable number.

542415320 is an abundant number, since it is smaller than the sum of its proper divisors (698709880).

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

542415320 is a wasteful number, since it uses less digits than its factorization.

542415320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229907 (or 229903 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 542415320 is about 23289.8115063218. The cubic root of 542415320 is about 815.5375880349.

Adding to 542415320 its reverse (23514245), we get a palindrome (565929565).

The spelling of 542415320 in words is "five hundred forty-two million, four hundred fifteen thousand, three hundred twenty".