10322045440 has 160 divisors (see below), whose sum is σ = 28506639744. Its totient is φ = 3511173120.

The previous prime is 10322045413. The next prime is 10322045443. The reversal of 10322045440 is 4454022301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is not an unprimeable number, because it can be changed into a prime (10322045443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2345322 + ... + 2349718.

Almost surely, 2^10322045440 is an apocalyptic number.

10322045440 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 10322045440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14253319872).

10322045440 is an abundant number, since it is smaller than the sum of its proper divisors (18184594304).

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

10322045440 is an equidigital number, since it uses as much as digits as its factorization.

10322045440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558 (or 4542 counting only the distinct ones).

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

Adding to 10322045440 its reverse (4454022301), we get a palindrome (14776067741).

The spelling of 10322045440 in words is "ten billion, three hundred twenty-two million, forty-five thousand, four hundred forty".