440899812028 has 24 divisors (see below), whose sum is σ = 831002124960. Its totient is φ = 203473717440.

The previous prime is 440899812007. The next prime is 440899812029. The reversal of 440899812028 is 820218998044.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 440899812028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440899812029) 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 7 ways as a sum of consecutive naturals, for example, 200358 + ... + 960178.

It is an arithmetic number, because the mean of its divisors is an integer number (34625088540).

Almost surely, 2^440899812028 is an apocalyptic number.

It is an amenable number.

440899812028 is a deficient number, since it is larger than the sum of its proper divisors (390102312932).

440899812028 is a wasteful number, since it uses less digits than its factorization.

440899812028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770997 (or 770995 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 55.

The spelling of 440899812028 in words is "four hundred forty billion, eight hundred ninety-nine million, eight hundred twelve thousand, twenty-eight".