441478018408869 has 16 divisors (see below), whose sum is σ = 704352394043200. Its totient is φ = 271678780559088.

The previous prime is 441478018408831. The next prime is 441478018408873. The reversal of 441478018408869 is 968804810874144.

441478018408869 is a `hidden beast` number, since 4 + 4 + 1 + 478 + 0 + 18 + 4 + 0 + 88 + 69 = 666.

It is not a de Polignac number, because 441478018408869 - 2¹⁷ = 441478018277797 is a prime.

It is a super-2 number, since 2×441478018408869² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 441478018408797 and 441478018408806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441478018408829) 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, 628886065759 + ... + 628886066460.

It is an arithmetic number, because the mean of its divisors is an integer number (44022024627700).

Almost surely, 2^{441478018408869} is an apocalyptic number.

It is an amenable number.

441478018408869 is a deficient number, since it is larger than the sum of its proper divisors (262874375634331).

441478018408869 is a wasteful number, since it uses less digits than its factorization.

441478018408869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257772132241 (or 1257772132235 counting only the distinct ones).

The product of its (nonzero) digits is 396361728, while the sum is 72.

The spelling of 441478018408869 in words is "four hundred forty-one trillion, four hundred seventy-eight billion, eighteen million, four hundred eight thousand, eight hundred sixty-nine".