4480400844 has 24 divisors (see below), whose sum is σ = 11615854320. Its totient is φ = 1493466912.

The previous prime is 4480400809. The next prime is 4480400857. The reversal of 4480400844 is 4480040844.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4480400799 and 4480400808.

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 7 ways as a sum of consecutive naturals, for example, 20742489 + ... + 20742704.

It is an arithmetic number, because the mean of its divisors is an integer number (483993930).

Almost surely, 2^4480400844 is an apocalyptic number.

It is an amenable number.

4480400844 is an abundant number, since it is smaller than the sum of its proper divisors (7135453476).

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

4480400844 is a wasteful number, since it uses less digits than its factorization.

4480400844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41485206 (or 41485198 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 36.

The square root of 4480400844 is about 66935.7964321035. The cubic root of 4480400844 is about 1648.5632849001.

Subtracting from 4480400844 its reverse (4480040844), we obtain a square (360000 = 600²).

The spelling of 4480400844 in words is "four billion, four hundred eighty million, four hundred thousand, eight hundred forty-four".