441521212 has 24 divisors (see below), whose sum is σ = 892488240. Its totient is φ = 188885760.

The previous prime is 441521207. The next prime is 441521237. The reversal of 441521212 is 212125144.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294387 + ... + 295882.

It is an arithmetic number, because the mean of its divisors is an integer number (37187010).

Almost surely, 2^441521212 is an apocalyptic number.

It is an amenable number.

441521212 is an abundant number, since it is smaller than the sum of its proper divisors (450967028).

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

441521212 is a wasteful number, since it uses less digits than its factorization.

441521212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590301 (or 590299 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 441521212 is about 21012.4061449421. The cubic root of 441521212 is about 761.4660137820.

Adding to 441521212 its reverse (212125144), we get a palindrome (653646356).

The spelling of 441521212 in words is "four hundred forty-one million, five hundred twenty-one thousand, two hundred twelve".