441813817223855 has 16 divisors (see below), whose sum is σ = 530966540954304. Its totient is φ = 352924576807680.

The previous prime is 441813817223843. The next prime is 441813817223917. The reversal of 441813817223855 is 558322718318144.

It is not a de Polignac number, because 441813817223855 - 2¹⁸ = 441813816961711 is a prime.

It is a super-2 number, since 2×441813817223855² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

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, 11463902 + ... + 31859828.

It is an arithmetic number, because the mean of its divisors is an integer number (33185408809644).

Almost surely, 2^{441813817223855} is an apocalyptic number.

441813817223855 is a deficient number, since it is larger than the sum of its proper divisors (89152723730449).

441813817223855 is a wasteful number, since it uses less digits than its factorization.

441813817223855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20402386.

The product of its digits is 51609600, while the sum is 62.

The spelling of 441813817223855 in words is "four hundred forty-one trillion, eight hundred thirteen billion, eight hundred seventeen million, two hundred twenty-three thousand, eight hundred fifty-five".