442629564 has 48 divisors (see below), whose sum is σ = 1131123840. Its totient is φ = 133882560.

The previous prime is 442629541. The next prime is 442629569. The reversal of 442629564 is 465926244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442629569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14842 + ... + 33249.

It is an arithmetic number, because the mean of its divisors is an integer number (23565080).

Almost surely, 2^442629564 is an apocalyptic number.

It is an amenable number.

442629564 is an abundant number, since it is smaller than the sum of its proper divisors (688494276).

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

442629564 is a wasteful number, since it uses less digits than its factorization.

442629564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48170 (or 48168 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 442629564 is about 21038.7633667000. The cubic root of 442629564 is about 762.1026514873.

The spelling of 442629564 in words is "four hundred forty-two million, six hundred twenty-nine thousand, five hundred sixty-four".