10001525240 has 96 divisors (see below), whose sum is σ = 26816151600. Its totient is φ = 3345431040.

The previous prime is 10001525239. The next prime is 10001525267. The reversal of 10001525240 is 4252510001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18131 + ... + 142589.

Almost surely, 2^10001525240 is an apocalyptic number.

10001525240 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 10001525240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13408075800).

10001525240 is an abundant number, since it is smaller than the sum of its proper divisors (16814626360).

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

10001525240 is a wasteful number, since it uses less digits than its factorization.

10001525240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124525 (or 124514 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 10001525240 in words is "ten billion, one million, five hundred twenty-five thousand, two hundred forty".