10440323520 has 224 divisors, whose sum is σ = 36236574720. Its totient is φ = 2525736960.

The previous prime is 10440323513. The next prime is 10440323533. The reversal of 10440323520 is 2532304401.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8162241 + ... + 8163519.

Almost surely, 2^10440323520 is an apocalyptic number.

10440323520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10440323520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18118287360).

10440323520 is an abundant number, since it is smaller than the sum of its proper divisors (25796251200).

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

10440323520 is a wasteful number, since it uses less digits than its factorization.

10440323520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 10440323520 its reverse (2532304401), we get a palindrome (12972627921).

The spelling of 10440323520 in words is "ten billion, four hundred forty million, three hundred twenty-three thousand, five hundred twenty".