441864220 has 48 divisors (see below), whose sum is σ = 1063597248. Its totient is φ = 151050240.

The previous prime is 441864161. The next prime is 441864223. The reversal of 441864220 is 22468144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441864223) 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, 44950 + ... + 53890.

It is an arithmetic number, because the mean of its divisors is an integer number (22158276).

Almost surely, 2^441864220 is an apocalyptic number.

It is an amenable number.

441864220 is an abundant number, since it is smaller than the sum of its proper divisors (621733028).

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

441864220 is a wasteful number, since it uses less digits than its factorization.

441864220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310 (or 9308 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 441864220 is about 21020.5665955987. The cubic root of 441864220 is about 761.6631514047.

The spelling of 441864220 in words is "four hundred forty-one million, eight hundred sixty-four thousand, two hundred twenty".