441651870 has 96 divisors (see below), whose sum is σ = 1268766720. Its totient is φ = 105693120.

The previous prime is 441651863. The next prime is 441651871. The reversal of 441651870 is 78156144.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441651871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75387 + ... + 81033.

It is an arithmetic number, because the mean of its divisors is an integer number (13216320).

Almost surely, 2^441651870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441651870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634383360).

441651870 is an abundant number, since it is smaller than the sum of its proper divisors (827114850).

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

441651870 is a wasteful number, since it uses less digits than its factorization.

441651870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750 (or 5747 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 441651870 is about 21015.5149829834. The cubic root of 441651870 is about 761.5411191308.

The spelling of 441651870 in words is "four hundred forty-one million, six hundred fifty-one thousand, eight hundred seventy".