10440400334320 has 40 divisors (see below), whose sum is σ = 26480651759280. Its totient is φ = 3796509212160.

The previous prime is 10440400334311. The next prime is 10440400334327. The reversal of 10440400334320 is 2343300404401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440400334327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5932044765 + ... + 5932046524.

It is an arithmetic number, because the mean of its divisors is an integer number (662016293982).

Almost surely, 2^{10440400334320} is an apocalyptic number.

10440400334320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10440400334320 is an abundant number, since it is smaller than the sum of its proper divisors (16040251424960).

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

10440400334320 is a wasteful number, since it uses less digits than its factorization.

10440400334320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11864091313 (or 11864091307 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 10440400334320 its reverse (2343300404401), we get a palindrome (12783700738721).

The spelling of 10440400334320 in words is "ten trillion, four hundred forty billion, four hundred million, three hundred thirty-four thousand, three hundred twenty".