10331221344 has 96 divisors (see below), whose sum is σ = 27375667200. Its totient is φ = 3411340800.

The previous prime is 10331221343. The next prime is 10331221349. The reversal of 10331221344 is 44312213301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331221343) 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, 7022529 + ... + 7023999.

It is an arithmetic number, because the mean of its divisors is an integer number (285163200).

Almost surely, 2^10331221344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10331221344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13687833600).

10331221344 is an abundant number, since it is smaller than the sum of its proper divisors (17044445856).

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

10331221344 is a wasteful number, since it uses less digits than its factorization.

10331221344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 10331221344 its reverse (44312213301), we get a palindrome (54643434645).

The spelling of 10331221344 in words is "ten billion, three hundred thirty-one million, two hundred twenty-one thousand, three hundred forty-four".