24021240540 has 48 divisors (see below), whose sum is σ = 73373973120. Its totient is φ = 5823330880.

The previous prime is 24021240511. The next prime is 24021240557. The reversal of 24021240540 is 4504212042.

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 24021240540.

It is a congruent number.

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, 18197250 + ... + 18198569.

It is an arithmetic number, because the mean of its divisors is an integer number (1528624440).

Almost surely, 2^24021240540 is an apocalyptic number.

24021240540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24021240540 is an abundant number, since it is smaller than the sum of its proper divisors (49352732580).

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

24021240540 is a wasteful number, since it uses less digits than its factorization.

24021240540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36395842 (or 36395840 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 24021240540 its reverse (4504212042), we get a palindrome (28525452582).

The spelling of 24021240540 in words is "twenty-four billion, twenty-one million, two hundred forty thousand, five hundred forty".