4400224020 has 96 divisors (see below), whose sum is σ = 13914109440. Its totient is φ = 1154148480.

The previous prime is 4400223983. The next prime is 4400224021. The reversal of 4400224020 is 204220044.

4400224020 is a `hidden beast` number, since 4 + 400 + 2 + 240 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4400223984 and 4400224002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400224021) 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, 33852 + ... + 99731.

It is an arithmetic number, because the mean of its divisors is an integer number (144938640).

Almost surely, 2^4400224020 is an apocalyptic number.

It is an amenable number.

4400224020 is an abundant number, since it is smaller than the sum of its proper divisors (9513885420).

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

4400224020 is a wasteful number, since it uses less digits than its factorization.

4400224020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133662 (or 133654 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4400224020 is about 66334.1843999005. The cubic root of 4400224020 is about 1638.6703504795.

Adding to 4400224020 its reverse (204220044), we get a palindrome (4604444064).

The spelling of 4400224020 in words is "four billion, four hundred million, two hundred twenty-four thousand, twenty".