542442216 has 96 divisors (see below), whose sum is σ = 1451368800. Its totient is φ = 168739200.

The previous prime is 542442211. The next prime is 542442221. The reversal of 542442216 is 612244245.

It is an interprime number because it is at equal distance from previous prime (542442211) and next prime (542442221).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (542442211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668451 + ... + 669261.

It is an arithmetic number, because the mean of its divisors is an integer number (15118425).

Almost surely, 2^542442216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542442216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725684400).

542442216 is an abundant number, since it is smaller than the sum of its proper divisors (908926584).

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

542442216 is a wasteful number, since it uses less digits than its factorization.

542442216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 876 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 542442216 is about 23290.3889190370. The cubic root of 542442216 is about 815.5510674578.

The spelling of 542442216 in words is "five hundred forty-two million, four hundred forty-two thousand, two hundred sixteen".