441630564 has 12 divisors (see below), whose sum is σ = 1030471344. Its totient is φ = 147210184.

The previous prime is 441630529. The next prime is 441630569. The reversal of 441630564 is 465036144.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (441630569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18401262 + ... + 18401285.

It is an arithmetic number, because the mean of its divisors is an integer number (85872612).

Almost surely, 2^441630564 is an apocalyptic number.

It is an amenable number.

441630564 is an abundant number, since it is smaller than the sum of its proper divisors (588840780).

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

441630564 is a wasteful number, since it uses less digits than its factorization.

441630564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36802554 (or 36802552 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 441630564 is about 21015.0080656658. The cubic root of 441630564 is about 761.5288729425.

It can be divided in two parts, 4416 and 30564, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 441630564 in words is "four hundred forty-one million, six hundred thirty thousand, five hundred sixty-four".