441637420 has 96 divisors (see below), whose sum is σ = 1088962560. Its totient is φ = 147329280.

The previous prime is 441637403. The next prime is 441637429. The reversal of 441637420 is 24736144.

It is a super-2 number, since 2×441637420² = 390087221488512800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (441637429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1048810 + ... + 1049230.

It is an arithmetic number, because the mean of its divisors is an integer number (11343360).

Almost surely, 2^441637420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441637420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544481280).

441637420 is an abundant number, since it is smaller than the sum of its proper divisors (647325140).

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

441637420 is a wasteful number, since it uses less digits than its factorization.

441637420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 441637420 is about 21015.1711865500. The cubic root of 441637420 is about 761.5328136532.

The spelling of 441637420 in words is "four hundred forty-one million, six hundred thirty-seven thousand, four hundred twenty".