24381782940 has 24 divisors (see below), whose sum is σ = 68268992400. Its totient is φ = 6501808768.

The previous prime is 24381782921. The next prime is 24381782947. The reversal of 24381782940 is 4928718342.

It is a self number, because there is not a number n which added to its sum of digits gives 24381782940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24381782947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203181465 + ... + 203181584.

It is an arithmetic number, because the mean of its divisors is an integer number (2844541350).

Almost surely, 2^24381782940 is an apocalyptic number.

24381782940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24381782940 is an abundant number, since it is smaller than the sum of its proper divisors (43887209460).

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

24381782940 is a wasteful number, since it uses less digits than its factorization.

24381782940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406363061 (or 406363059 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 24381782940 in words is "twenty-four billion, three hundred eighty-one million, seven hundred eighty-two thousand, nine hundred forty".