441639672 has 32 divisors (see below), whose sum is σ = 1124934480. Its totient is φ = 144435200.

The previous prime is 441639661. The next prime is 441639677. The reversal of 441639672 is 276936144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441639677) 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, 172329 + ... + 174872.

Almost surely, 2^441639672 is an apocalyptic number.

It is an amenable number.

441639672 is an abundant number, since it is smaller than the sum of its proper divisors (683294808).

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

441639672 is a wasteful number, since it uses less digits than its factorization.

441639672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347263 (or 347259 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 441639672 is about 21015.2247668208. The cubic root of 441639672 is about 761.5341080551.

It can be divided in two parts, 44163 and 9672, that added together give a palindrome (53835).

The spelling of 441639672 in words is "four hundred forty-one million, six hundred thirty-nine thousand, six hundred seventy-two".