10231243440 has 160 divisors (see below), whose sum is σ = 34943692032. Its totient is φ = 2455680000.

The previous prime is 10231243427. The next prime is 10231243453. The reversal of 10231243440 is 4434213201.

It is an interprime number because it is at equal distance from previous prime (10231243427) and next prime (10231243453).

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

It is a self number, because there is not a number n which added to its sum of digits gives 10231243440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247455 + ... + 285825.

Almost surely, 2^10231243440 is an apocalyptic number.

10231243440 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 10231243440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17471846016).

10231243440 is an abundant number, since it is smaller than the sum of its proper divisors (24712448592).

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

10231243440 is a wasteful number, since it uses less digits than its factorization.

10231243440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38499 (or 38493 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 10231243440 its reverse (4434213201), we get a palindrome (14665456641).

The spelling of 10231243440 in words is "ten billion, two hundred thirty-one million, two hundred forty-three thousand, four hundred forty".