442441416 has 16 divisors (see below), whose sum is σ = 1106103600. Its totient is φ = 147480464.

The previous prime is 442441327. The next prime is 442441453. The reversal of 442441416 is 614144244.

It is a nude number because it is divisible by every one of its digits.

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, 9217506 + ... + 9217553.

It is an arithmetic number, because the mean of its divisors is an integer number (69131475).

Almost surely, 2^442441416 is an apocalyptic number.

It is an amenable number.

442441416 is an abundant number, since it is smaller than the sum of its proper divisors (663662184).

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

442441416 is a wasteful number, since it uses less digits than its factorization.

442441416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18435068 (or 18435064 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 442441416 is about 21034.2914308992. The cubic root of 442441416 is about 761.9946541740.

The spelling of 442441416 in words is "four hundred forty-two million, four hundred forty-one thousand, four hundred sixteen".