442418868 has 24 divisors (see below), whose sum is σ = 1147012160. Its totient is φ = 147472920.

The previous prime is 442418861. The next prime is 442418891. The reversal of 442418868 is 868814244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442418861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2048128 + ... + 2048343.

Almost surely, 2^442418868 is an apocalyptic number.

It is an amenable number.

442418868 is an abundant number, since it is smaller than the sum of its proper divisors (704593292).

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

442418868 is a wasteful number, since it uses less digits than its factorization.

442418868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096484 (or 4096476 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 442418868 is about 21033.7554421458. The cubic root of 442418868 is about 761.9817095244.

The spelling of 442418868 in words is "four hundred forty-two million, four hundred eighteen thousand, eight hundred sixty-eight".