4400131322430 has 96 divisors (see below), whose sum is σ = 11565603878400. Its totient is φ = 1160558793216.

The previous prime is 4400131322429. The next prime is 4400131322557. The reversal of 4400131322430 is 342231310044.

4400131322430 is a `hidden beast` number, since 4 + 400 + 1 + 3 + 1 + 3 + 224 + 30 = 666.

It is a super-2 number, since 2×4400131322430² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4400131322394 and 4400131322403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5187747 + ... + 5976033.

It is an arithmetic number, because the mean of its divisors is an integer number (120475040400).

Almost surely, 2^{4400131322430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4400131322430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5782801939200).

4400131322430 is an abundant number, since it is smaller than the sum of its proper divisors (7165472555970).

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

4400131322430 is a wasteful number, since it uses less digits than its factorization.

4400131322430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788978 (or 788975 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4400131322430 its reverse (342231310044), we get a palindrome (4742362632474).

The spelling of 4400131322430 in words is "four trillion, four hundred billion, one hundred thirty-one million, three hundred twenty-two thousand, four hundred thirty".