440121121044 has 48 divisors (see below), whose sum is σ = 1146362004480. Its totient is φ = 130268406240.

The previous prime is 440121121043. The next prime is 440121121081.

440121121044 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440121121043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38764684 + ... + 38776035.

It is an arithmetic number, because the mean of its divisors is an integer number (23882541760).

Almost surely, 2^440121121044 is an apocalyptic number.

440121121044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440121121044 is an abundant number, since it is smaller than the sum of its proper divisors (706240883436).

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

440121121044 is a wasteful number, since it uses less digits than its factorization.

440121121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77540780 (or 77540778 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

It can be divided in two parts, 440121 and 121044, that added together give a palindrome (561165).

The spelling of 440121121044 in words is "four hundred forty billion, one hundred twenty-one million, one hundred twenty-one thousand, forty-four".