4440404402420 has 96 divisors (see below), whose sum is σ = 10859851554048. Its totient is φ = 1493450929152.

The previous prime is 4440404402387. The next prime is 4440404402429. The reversal of 4440404402420 is 242044040444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440404402429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47641784 + ... + 47734896.

It is an arithmetic number, because the mean of its divisors is an integer number (113123453688).

Almost surely, 2^{4440404402420} 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 4440404402420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5429925777024).

4440404402420 is an abundant number, since it is smaller than the sum of its proper divisors (6419447151628).

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

4440404402420 is a wasteful number, since it uses less digits than its factorization.

4440404402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99609 (or 99607 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 4440404402420 its reverse (242044040444), we get a palindrome (4682448442864).

The spelling of 4440404402420 in words is "four trillion, four hundred forty billion, four hundred four million, four hundred two thousand, four hundred twenty".