440894976019 has 4 divisors (see below), whose sum is σ = 440906380720. Its totient is φ = 440883571320.

The previous prime is 440894976017. The next prime is 440894976031. The reversal of 440894976019 is 910679498044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 440894976019 - 2¹ = 440894976017 is a prime.

It is a super-2 number, since 2×440894976019² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440894976017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5644164 + ... + 5721745.

It is an arithmetic number, because the mean of its divisors is an integer number (110226595180).

Almost surely, 2^440894976019 is an apocalyptic number.

440894976019 is a deficient number, since it is larger than the sum of its proper divisors (11404701).

440894976019 is a wasteful number, since it uses less digits than its factorization.

440894976019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11404700.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 440894976019 in words is "four hundred forty billion, eight hundred ninety-four million, nine hundred seventy-six thousand, nineteen".