442466364 has 24 divisors (see below), whose sum is σ = 1077310080. Its totient is φ = 141076144.

The previous prime is 442466347. The next prime is 442466389. The reversal of 442466364 is 463664244.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801294 + ... + 801845.

It is an arithmetic number, because the mean of its divisors is an integer number (44887920).

Almost surely, 2^442466364 is an apocalyptic number.

It is an amenable number.

442466364 is an abundant number, since it is smaller than the sum of its proper divisors (634843716).

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

442466364 is a wasteful number, since it uses less digits than its factorization.

442466364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603169 (or 1603167 counting only the distinct ones).

The product of its digits is 331776, while the sum is 39.

The square root of 442466364 is about 21034.8844541633. The cubic root of 442466364 is about 762.0089761344.

The spelling of 442466364 in words is "four hundred forty-two million, four hundred sixty-six thousand, three hundred sixty-four".