24402020132440 has 64 divisors (see below), whose sum is σ = 55523638114560. Its totient is φ = 9651095971200.

The previous prime is 24402020132429. The next prime is 24402020132531. The reversal of 24402020132440 is 4423102020442.

It is a junction number, because it is equal to n+sod(n) for n = 24402020132399 and 24402020132408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3212236 + ... + 7689115.

It is an arithmetic number, because the mean of its divisors is an integer number (867556845540).

Almost surely, 2^{24402020132440} is an apocalyptic number.

24402020132440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24402020132440 is an abundant number, since it is smaller than the sum of its proper divisors (31121617982120).

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

24402020132440 is a wasteful number, since it uses less digits than its factorization.

24402020132440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10901992 (or 10901988 counting only the distinct ones).

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

Adding to 24402020132440 its reverse (4423102020442), we get a palindrome (28825122152882).

The spelling of 24402020132440 in words is "twenty-four trillion, four hundred two billion, twenty million, one hundred thirty-two thousand, four hundred forty".