4400204431220 has 96 divisors (see below), whose sum is σ = 10384907339520. Its totient is φ = 1553900451840.

The previous prime is 4400204431211. The next prime is 4400204431223. The reversal of 4400204431220 is 221344020044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 4400204431220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400204431223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73996700 + ... + 74056140.

It is an arithmetic number, because the mean of its divisors is an integer number (108176118120).

Almost surely, 2^{4400204431220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4400204431220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5192453669760).

4400204431220 is an abundant number, since it is smaller than the sum of its proper divisors (5984702908300).

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

4400204431220 is a wasteful number, since it uses less digits than its factorization.

4400204431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71865 (or 71863 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 4400204431220 its reverse (221344020044), we get a palindrome (4621548451264).

The spelling of 4400204431220 in words is "four trillion, four hundred billion, two hundred four million, four hundred thirty-one thousand, two hundred twenty".