441478018408867 has 16 divisors (see below), whose sum is σ = 486612717437952. Its totient is φ = 397177307953920.

The previous prime is 441478018408831. The next prime is 441478018408873. The reversal of 441478018408867 is 768804810874144.

It is a cyclic number.

It is not a de Polignac number, because 441478018408867 - 2³⁹ = 440928262594979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 441478018408796 and 441478018408805.

It is not an unprimeable number, because it can be changed into a prime (441478018408807) 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, 251503 + ... + 29715640.

It is an arithmetic number, because the mean of its divisors is an integer number (30413294839872).

Almost surely, 2^{441478018408867} is an apocalyptic number.

441478018408867 is a deficient number, since it is larger than the sum of its proper divisors (45134699029085).

441478018408867 is a wasteful number, since it uses less digits than its factorization.

441478018408867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29981058.

The product of its (nonzero) digits is 308281344, while the sum is 70.

The spelling of 441478018408867 in words is "four hundred forty-one trillion, four hundred seventy-eight billion, eighteen million, four hundred eight thousand, eight hundred sixty-seven".