10453220440 has 64 divisors (see below), whose sum is σ = 26818918560. Its totient is φ = 3632609280.

The previous prime is 10453220417. The next prime is 10453220441. The reversal of 10453220440 is 4402235401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10453220441) 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 15 ways as a sum of consecutive naturals, for example, 582406 + ... + 600085.

Almost surely, 2^10453220440 is an apocalyptic number.

10453220440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10453220440 is an abundant number, since it is smaller than the sum of its proper divisors (16365698120).

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

10453220440 is a wasteful number, since it uses less digits than its factorization.

10453220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182532 (or 1182528 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 10453220440 its reverse (4402235401), we get a palindrome (14855455841).

The spelling of 10453220440 in words is "ten billion, four hundred fifty-three million, two hundred twenty thousand, four hundred forty".