24745235140 has 24 divisors (see below), whose sum is σ = 52198030080. Its totient is φ = 9853706208.

The previous prime is 24745235131. The next prime is 24745235153. The reversal of 24745235140 is 4153254742.

It is a super-2 number, since 2×24745235140² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 24745235140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2769670 + ... + 2778589.

It is an arithmetic number, because the mean of its divisors is an integer number (2174917920).

Almost surely, 2^24745235140 is an apocalyptic number.

24745235140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24745235140 is an abundant number, since it is smaller than the sum of its proper divisors (27452794940).

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

24745235140 is a wasteful number, since it uses less digits than its factorization.

24745235140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548491 (or 5548489 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

Adding to 24745235140 its reverse (4153254742), we get a palindrome (28898489882).

The spelling of 24745235140 in words is "twenty-four billion, seven hundred forty-five million, two hundred thirty-five thousand, one hundred forty".