10440321024 has 144 divisors (see below), whose sum is σ = 32379328800. Its totient is φ = 2982862848.

The previous prime is 10440320971. The next prime is 10440321037. The reversal of 10440321024 is 42012304401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283717 + ... + 318395.

It is an arithmetic number, because the mean of its divisors is an integer number (224856450).

Almost surely, 2^10440321024 is an apocalyptic number.

10440321024 is a gapful number since it is divisible by the number (14) 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 10440321024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16189664400).

10440321024 is an abundant number, since it is smaller than the sum of its proper divisors (21939007776).

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

10440321024 is an equidigital number, since it uses as much as digits as its factorization.

10440321024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34718 (or 34691 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10440321024 its reverse (42012304401), we get a palindrome (52452625425).

The spelling of 10440321024 in words is "ten billion, four hundred forty million, three hundred twenty-one thousand, twenty-four".