24080640 has 72 divisors (see below), whose sum is σ = 76919808. Its totient is φ = 6420480.

The previous prime is 24080633. The next prime is 24080663. The reversal of 24080640 is 4608042.

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 24080640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705 + ... + 6975.

Almost surely, 2^24080640 is an apocalyptic number.

24080640 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 24080640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38459904).

24080640 is an abundant number, since it is smaller than the sum of its proper divisors (52839168).

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

24080640 is an equidigital number, since it uses as much as digits as its factorization.

24080640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6295 (or 6281 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 24080640 is about 4907.2028692525. The cubic root of 24080640 is about 288.7726168076.

Adding to 24080640 its reverse (4608042), we get a palindrome (28688682).

The spelling of 24080640 in words is "twenty-four million, eighty thousand, six hundred forty".