442445416 has 16 divisors (see below), whose sum is σ = 948097440. Its totient is φ = 189619440.

The previous prime is 442445387. The next prime is 442445449. The reversal of 442445416 is 614544244.

It is a super-2 number, since 2×442445416² = 391515892278826112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3950350 + ... + 3950461.

It is an arithmetic number, because the mean of its divisors is an integer number (59256090).

Almost surely, 2^442445416 is an apocalyptic number.

It is an amenable number.

442445416 is an abundant number, since it is smaller than the sum of its proper divisors (505652024).

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

442445416 is a wasteful number, since it uses less digits than its factorization.

442445416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900824 (or 7900820 counting only the distinct ones).

The product of its digits is 61440, while the sum is 34.

The square root of 442445416 is about 21034.3865135164. The cubic root of 442445416 is about 761.9969505002.

The spelling of 442445416 in words is "four hundred forty-two million, four hundred forty-five thousand, four hundred sixteen".