441668357 has 16 divisors (see below), whose sum is σ = 501553920. Its totient is φ = 385560000.

The previous prime is 441668329. The next prime is 441668387. The reversal of 441668357 is 753866144.

It is a cyclic number.

It is not a de Polignac number, because 441668357 - 2²⁸ = 173232901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441668387) 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 15 ways as a sum of consecutive naturals, for example, 184307 + ... + 186687.

It is an arithmetic number, because the mean of its divisors is an integer number (31347120).

Almost surely, 2^441668357 is an apocalyptic number.

It is an amenable number.

441668357 is a deficient number, since it is larger than the sum of its proper divisors (59885563).

441668357 is a wasteful number, since it uses less digits than its factorization.

441668357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164.

The product of its digits is 483840, while the sum is 44.

The square root of 441668357 is about 21015.9072371383. The cubic root of 441668357 is about 761.5505952009.

The spelling of 441668357 in words is "four hundred forty-one million, six hundred sixty-eight thousand, three hundred fifty-seven".