441213140 has 24 divisors (see below), whose sum is σ = 966833280. Its totient is φ = 168811808.

The previous prime is 441213137. The next prime is 441213167. The reversal of 441213140 is 41312144.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 479120 + ... + 480039.

It is an arithmetic number, because the mean of its divisors is an integer number (40284720).

Almost surely, 2^441213140 is an apocalyptic number.

It is an amenable number.

441213140 is an abundant number, since it is smaller than the sum of its proper divisors (525620140).

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

441213140 is a wasteful number, since it uses less digits than its factorization.

441213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959191 (or 959189 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 441213140 is about 21005.0741488813. The cubic root of 441213140 is about 761.2888679405.

Adding to 441213140 its reverse (41312144), we get a palindrome (482525284).

The spelling of 441213140 in words is "four hundred forty-one million, two hundred thirteen thousand, one hundred forty".