442450860 has 48 divisors (see below), whose sum is σ = 1243479552. Its totient is φ = 117547200.

The previous prime is 442450831. The next prime is 442450867. The reversal of 442450860 is 68054244.

It is a hoax number, since the sum of its digits (33) 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 (442450867) 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, 2655 + ... + 29865.

It is an arithmetic number, because the mean of its divisors is an integer number (25905824).

Almost surely, 2^442450860 is an apocalyptic number.

It is an amenable number.

442450860 is an abundant number, since it is smaller than the sum of its proper divisors (801028692).

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

442450860 is a wasteful number, since it uses less digits than its factorization.

442450860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27494 (or 27492 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 442450860 is about 21034.5159202678. The cubic root of 442450860 is about 762.0000757779. Note that the first 4 decimals are identical.

The spelling of 442450860 in words is "four hundred forty-two million, four hundred fifty thousand, eight hundred sixty".