24242442420 has 48 divisors (see below), whose sum is σ = 77575817088. Its totient is φ = 5541129600.

The previous prime is 24242442379. The next prime is 24242442467. The reversal of 24242442420 is 2424424242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 28859631 + ... + 28860470.

It is an arithmetic number, because the mean of its divisors is an integer number (1616162856).

Almost surely, 2^24242442420 is an apocalyptic number.

24242442420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24242442420 is an abundant number, since it is smaller than the sum of its proper divisors (53333374668).

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

24242442420 is a wasteful number, since it uses less digits than its factorization.

24242442420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57720120 (or 57720118 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 24242442420 its reverse (2424424242), we get a palindrome (26666866662).

The spelling of 24242442420 in words is "twenty-four billion, two hundred forty-two million, four hundred forty-two thousand, four hundred twenty".