10243515040 has 96 divisors (see below), whose sum is σ = 27014492736. Its totient is φ = 3638261760.

The previous prime is 10243515031. The next prime is 10243515047. The reversal of 10243515040 is 4051534201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10243514996 and 10243515014.

It is not an unprimeable number, because it can be changed into a prime (10243515047) 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, 8004 + ... + 143356.

It is an arithmetic number, because the mean of its divisors is an integer number (281400966).

Almost surely, 2^10243515040 is an apocalyptic number.

10243515040 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 10243515040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13507246368).

10243515040 is an abundant number, since it is smaller than the sum of its proper divisors (16770977696).

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

10243515040 is a wasteful number, since it uses less digits than its factorization.

10243515040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135422 (or 135414 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 10243515040 in words is "ten billion, two hundred forty-three million, five hundred fifteen thousand, forty".