442085916 has 48 divisors (see below), whose sum is σ = 1093621760. Its totient is φ = 138749760.

The previous prime is 442085911. The next prime is 442085923. The reversal of 442085916 is 619580244.

It is a super-4 number, since 4×442085916⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442085911) 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, 2296 + ... + 29823.

Almost surely, 2^442085916 is an apocalyptic number.

It is an amenable number.

442085916 is an abundant number, since it is smaller than the sum of its proper divisors (651535844).

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

442085916 is a wasteful number, since it uses less digits than its factorization.

442085916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32194 (or 32192 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 442085916 is about 21025.8392460325. The cubic root of 442085916 is about 761.7905128836.

The spelling of 442085916 in words is "four hundred forty-two million, eighty-five thousand, nine hundred sixteen".