440120021044 has 48 divisors (see below), whose sum is σ = 843193524096. Its totient is φ = 199349942400.

The previous prime is 440120021009. The next prime is 440120021063.

440120021044 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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, 15340657 + ... + 15369319.

It is an arithmetic number, because the mean of its divisors is an integer number (17566531752).

Almost surely, 2^440120021044 is an apocalyptic number.

440120021044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440120021044 is a deficient number, since it is larger than the sum of its proper divisors (403073503052).

440120021044 is a wasteful number, since it uses less digits than its factorization.

440120021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29896 (or 29894 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

It can be divided in two parts, 4401200 and 21044, that added together give a palindrome (4422244).

The spelling of 440120021044 in words is "four hundred forty billion, one hundred twenty million, twenty-one thousand, forty-four".