24256540 has 96 divisors (see below), whose sum is σ = 66931200. Its totient is φ = 7153920.

The previous prime is 24256487. The next prime is 24256541. The reversal of 24256540 is 4565242.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 24256499 and 24256508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24256541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28846 + ... + 29674.

It is an arithmetic number, because the mean of its divisors is an integer number (697200).

Almost surely, 2^24256540 is an apocalyptic number.

24256540 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 24256540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33465600).

24256540 is an abundant number, since it is smaller than the sum of its proper divisors (42674660).

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

24256540 is a wasteful number, since it uses less digits than its factorization.

24256540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 24256540 is about 4925.0928925250. The cubic root of 24256540 is about 289.4740367460.

The spelling of 24256540 in words is "twenty-four million, two hundred fifty-six thousand, five hundred forty".