442116456 has 16 divisors (see below), whose sum is σ = 1105291200. Its totient is φ = 147372144.

The previous prime is 442116443. The next prime is 442116457. The reversal of 442116456 is 654611244.

It is not an unprimeable number, because it can be changed into a prime (442116457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9210736 + ... + 9210783.

It is an arithmetic number, because the mean of its divisors is an integer number (69080700).

Almost surely, 2^442116456 is an apocalyptic number.

It is an amenable number.

442116456 is an abundant number, since it is smaller than the sum of its proper divisors (663174744).

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

442116456 is a wasteful number, since it uses less digits than its factorization.

442116456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18421528 (or 18421524 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 442116456 is about 21026.5654827411. The cubic root of 442116456 is about 761.8080543808.

The spelling of 442116456 in words is "four hundred forty-two million, one hundred sixteen thousand, four hundred fifty-six".