442586380 has 48 divisors (see below), whose sum is σ = 1009935360. Its totient is φ = 162302400.

The previous prime is 442586369. The next prime is 442586383. The reversal of 442586380 is 83685244.

It is not an unprimeable number, because it can be changed into a prime (442586383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7006 + ... + 30565.

It is an arithmetic number, because the mean of its divisors is an integer number (21040320).

Almost surely, 2^442586380 is an apocalyptic number.

It is an amenable number.

442586380 is an abundant number, since it is smaller than the sum of its proper divisors (567348980).

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

442586380 is a wasteful number, since it uses less digits than its factorization.

442586380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37630 (or 37628 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 442586380 is about 21037.7370456045. The cubic root of 442586380 is about 762.0778664948.

The spelling of 442586380 in words is "four hundred forty-two million, five hundred eighty-six thousand, three hundred eighty".