24266640240 has 120 divisors (see below), whose sum is σ = 81537281280. Its totient is φ = 6467784192.

The previous prime is 24266640239. The next prime is 24266640263. The reversal of 24266640240 is 4204666242.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 24266640195 and 24266640204.

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, 1604554 + ... + 1619606.

It is an arithmetic number, because the mean of its divisors is an integer number (679477344).

Almost surely, 2^24266640240 is an apocalyptic number.

24266640240 is a gapful number since it is divisible by the number (20) 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 24266640240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40768640640).

24266640240 is an abundant number, since it is smaller than the sum of its proper divisors (57270641040).

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

24266640240 is a wasteful number, since it uses less digits than its factorization.

24266640240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17311 (or 17302 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 24266640240 in words is "twenty-four billion, two hundred sixty-six million, six hundred forty thousand, two hundred forty".