24423401440 has 48 divisors (see below), whose sum is σ = 59042169648. Its totient is φ = 9542163456.

The previous prime is 24423401413. The next prime is 24423401459. The reversal of 24423401440 is 4410432442.

It is a junction number, because it is equal to n+sod(n) for n = 24423401399 and 24423401408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768077 + ... + 1781836.

It is an arithmetic number, because the mean of its divisors is an integer number (1230045201).

Almost surely, 2^24423401440 is an apocalyptic number.

24423401440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24423401440 is an abundant number, since it is smaller than the sum of its proper divisors (34618768208).

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

24423401440 is a wasteful number, since it uses less digits than its factorization.

24423401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549971 (or 3549963 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 24423401440 its reverse (4410432442), we get a palindrome (28833833882).

The spelling of 24423401440 in words is "twenty-four billion, four hundred twenty-three million, four hundred one thousand, four hundred forty".