442500366 has 64 divisors (see below), whose sum is σ = 1110859776. Its totient is φ = 114156000.

The previous prime is 442500343. The next prime is 442500391. The reversal of 442500366 is 663005244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66591 + ... + 72933.

It is an arithmetic number, because the mean of its divisors is an integer number (17357184).

Almost surely, 2^442500366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442500366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555429888).

442500366 is an abundant number, since it is smaller than the sum of its proper divisors (668359410).

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

442500366 is a wasteful number, since it uses less digits than its factorization.

442500366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 442500366 is about 21035.6926674640. The cubic root of 442500366 is about 762.0284948803.

The spelling of 442500366 in words is "four hundred forty-two million, five hundred thousand, three hundred sixty-six".