440844600020 has 48 divisors (see below), whose sum is σ = 1019934308736. Its totient is φ = 158719920000.

The previous prime is 440844599989. The next prime is 440844600023. The reversal of 440844600020 is 20006448044.

It is a super-2 number, since 2×440844600020² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440844600020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440844600023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9897776 + ... + 9942215.

It is an arithmetic number, because the mean of its divisors is an integer number (21248631432).

Almost surely, 2^440844600020 is an apocalyptic number.

It is an amenable number.

440844600020 is an abundant number, since it is smaller than the sum of its proper divisors (579089708716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440844600020 is a wasteful number, since it uses less digits than its factorization.

440844600020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19840112 (or 19840110 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 440844600020 in words is "four hundred forty billion, eight hundred forty-four million, six hundred thousand, twenty".