442187364 has 24 divisors (see below), whose sum is σ = 1032181920. Its totient is φ = 147337024.

The previous prime is 442187363. The next prime is 442187371. The reversal of 442187364 is 463781244.

It is not an unprimeable number, because it can be changed into a prime (442187363) 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, 32767 + ... + 44249.

It is an arithmetic number, because the mean of its divisors is an integer number (43007580).

Almost surely, 2^442187364 is an apocalyptic number.

It is an amenable number.

442187364 is an abundant number, since it is smaller than the sum of its proper divisors (589994556).

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

442187364 is a wasteful number, since it uses less digits than its factorization.

442187364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14699 (or 14697 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 442187364 is about 21028.2515678313. The cubic root of 442187364 is about 761.8487792450.

The spelling of 442187364 in words is "four hundred forty-two million, one hundred eighty-seven thousand, three hundred sixty-four".