10240444230640 has 240 divisors, whose sum is σ = 27409943097792. Its totient is φ = 3548446826496.

The previous prime is 10240444230631. The next prime is 10240444230683. The reversal of 10240444230640 is 4603244404201.

It is a junction number, because it is equal to n+sod(n) for n = 10240444230596 and 10240444230605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16170204 + ... + 16791556.

Almost surely, 2^{10240444230640} is an apocalyptic number.

10240444230640 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 10240444230640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13704971548896).

10240444230640 is an abundant number, since it is smaller than the sum of its proper divisors (17169498867152).

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

10240444230640 is a wasteful number, since it uses less digits than its factorization.

10240444230640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621468 (or 621449 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 10240444230640 its reverse (4603244404201), we get a palindrome (14843688634841).

The spelling of 10240444230640 in words is "ten trillion, two hundred forty billion, four hundred forty-four million, two hundred thirty thousand, six hundred forty".