441954909 has 24 divisors (see below), whose sum is σ = 698068800. Its totient is φ = 267215040.

The previous prime is 441954883. The next prime is 441954911. The reversal of 441954909 is 909459144.

It is not a de Polignac number, because 441954909 - 2¹² = 441950813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441952909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38377 + ... + 48545.

It is an arithmetic number, because the mean of its divisors is an integer number (29086200).

Almost surely, 2^441954909 is an apocalyptic number.

It is an amenable number.

441954909 is a deficient number, since it is larger than the sum of its proper divisors (256113891).

441954909 is a wasteful number, since it uses less digits than its factorization.

441954909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10625 (or 10622 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 441954909 is about 21022.7236342012. The cubic root of 441954909 is about 761.7152562077.

The spelling of 441954909 in words is "four hundred forty-one million, nine hundred fifty-four thousand, nine hundred nine".