441980385 has 64 divisors (see below), whose sum is σ = 888330240. Its totient is φ = 182292480.

The previous prime is 441980353. The next prime is 441980389. The reversal of 441980385 is 583089144.

It is not a de Polignac number, because 441980385 - 2⁵ = 441980353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441980389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159169 + ... + 161921.

It is an arithmetic number, because the mean of its divisors is an integer number (13880160).

Almost surely, 2^441980385 is an apocalyptic number.

It is an amenable number.

441980385 is an abundant number, since it is smaller than the sum of its proper divisors (446349855).

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

441980385 is a wasteful number, since it uses less digits than its factorization.

441980385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 441980385 is about 21023.3295412501. The cubic root of 441980385 is about 761.7298920032.

The spelling of 441980385 in words is "four hundred forty-one million, nine hundred eighty thousand, three hundred eighty-five".