10440313220 has 12 divisors (see below), whose sum is σ = 21924657804. Its totient is φ = 4176125280.

The previous prime is 10440313217. The next prime is 10440313223. The reversal of 10440313220 is 2231304401.

It is an interprime number because it is at equal distance from previous prime (10440313217) and next prime (10440313223).

It can be written as a sum of positive squares in 2 ways, for example, as 7752098116 + 2688215104 = 88046^2 + 51848^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 522015661 = 10440313220 / (1 + 0 + 4 + 4 + 0 + 3 + 1 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 10440313192 and 10440313201.

It is not an unprimeable number, because it can be changed into a prime (10440313223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261007811 + ... + 261007850.

It is an arithmetic number, because the mean of its divisors is an integer number (1827054817).

Almost surely, 2^10440313220 is an apocalyptic number.

10440313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10440313220 is an abundant number, since it is smaller than the sum of its proper divisors (11484344584).

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

10440313220 is a wasteful number, since it uses less digits than its factorization.

10440313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522015670 (or 522015668 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10440313220 its reverse (2231304401), we get a palindrome (12671617621).

The spelling of 10440313220 in words is "ten billion, four hundred forty million, three hundred thirteen thousand, two hundred twenty".