24420135500 has 48 divisors (see below), whose sum is σ = 53976240864. Its totient is φ = 9650350400.

The previous prime is 24420135499. The next prime is 24420135511. The reversal of 24420135500 is 553102442.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 24420135500.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 252719 + ... + 335718.

It is an arithmetic number, because the mean of its divisors is an integer number (1124505018).

Almost surely, 2^24420135500 is an apocalyptic number.

24420135500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24420135500 is an abundant number, since it is smaller than the sum of its proper divisors (29556105364).

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

24420135500 is a wasteful number, since it uses less digits than its factorization.

24420135500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588539 (or 588527 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 24420135500 its reverse (553102442), we get a palindrome (24973237942).

The spelling of 24420135500 in words is "twenty-four billion, four hundred twenty million, one hundred thirty-five thousand, five hundred".