442718562 has 64 divisors (see below), whose sum is σ = 1043933184. Its totient is φ = 123397440.

The previous prime is 442718543. The next prime is 442718567. The reversal of 442718562 is 265817244.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 442718562.

It is not an unprimeable number, because it can be changed into a prime (442718567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296983 + ... + 298469.

It is an arithmetic number, because the mean of its divisors is an integer number (16311456).

Almost surely, 2^442718562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442718562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521966592).

442718562 is an abundant number, since it is smaller than the sum of its proper divisors (601214622).

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

442718562 is a wasteful number, since it uses less digits than its factorization.

442718562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863.

The product of its digits is 107520, while the sum is 39.

The square root of 442718562 is about 21040.8783561904. The cubic root of 442718562 is about 762.1537258483.

The spelling of 442718562 in words is "four hundred forty-two million, seven hundred eighteen thousand, five hundred sixty-two".