441426985983 has 16 divisors (see below), whose sum is σ = 675061580800. Its totient is φ = 284791603320.

The previous prime is 441426985963. The next prime is 441426986017. The reversal of 441426985983 is 389589624144.

441426985983 is a `hidden beast` number, since 4 + 4 + 14 + 26 + 9 + 8 + 598 + 3 = 666.

It is not a de Polignac number, because 441426985983 - 2⁶ = 441426985919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441426985983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441426985903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263695093 + ... + 263696766.

It is an arithmetic number, because the mean of its divisors is an integer number (42191348800).

Almost surely, 2^441426985983 is an apocalyptic number.

441426985983 is a deficient number, since it is larger than the sum of its proper divisors (233634594817).

441426985983 is a wasteful number, since it uses less digits than its factorization.

441426985983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527391899 (or 527391893 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The spelling of 441426985983 in words is "four hundred forty-one billion, four hundred twenty-six million, nine hundred eighty-five thousand, nine hundred eighty-three".