441213231320 has 64 divisors (see below), whose sum is σ = 1020072337920. Its totient is φ = 171670472064.

The previous prime is 441213231307. The next prime is 441213231331. The reversal of 441213231320 is 23132312144.

It is a self number, because there is not a number n which added to its sum of digits gives 441213231320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413462 + ... + 1026341.

It is an arithmetic number, because the mean of its divisors is an integer number (15938630280).

Almost surely, 2^441213231320 is an apocalyptic number.

441213231320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441213231320 is an abundant number, since it is smaller than the sum of its proper divisors (578859106600).

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

441213231320 is a wasteful number, since it uses less digits than its factorization.

441213231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440024 (or 1440020 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 441213231320 its reverse (23132312144), we get a palindrome (464345543464).

The spelling of 441213231320 in words is "four hundred forty-one billion, two hundred thirteen million, two hundred thirty-one thousand, three hundred twenty".