442363564 has 24 divisors (see below), whose sum is σ = 822482640. Its totient is φ = 207781056.

The previous prime is 442363561. The next prime is 442363591. The reversal of 442363564 is 465363244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (442363561) 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, 47242 + ... + 55825.

It is an arithmetic number, because the mean of its divisors is an integer number (34270110).

Almost surely, 2^442363564 is an apocalyptic number.

It is an amenable number.

442363564 is a deficient number, since it is larger than the sum of its proper divisors (380119076).

442363564 is a wasteful number, since it uses less digits than its factorization.

442363564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103137 (or 103135 counting only the distinct ones).

The product of its digits is 207360, while the sum is 37.

The square root of 442363564 is about 21032.4407523235. The cubic root of 442363564 is about 761.9499580211.

The spelling of 442363564 in words is "four hundred forty-two million, three hundred sixty-three thousand, five hundred sixty-four".