24402020044240 has 20 divisors (see below), whose sum is σ = 56734696603044. Its totient is φ = 9760808017664.

The previous prime is 24402020044229. The next prime is 24402020044279. The reversal of 24402020044240 is 4244002020442.

It can be written as a sum of positive squares in 2 ways, for example, as 10957741821504 + 13444278222736 = 3310248^2 + 3666644^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 24402020044199 and 24402020044208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152512625197 + ... + 152512625356.

Almost surely, 2^{24402020044240} is an apocalyptic number.

24402020044240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24402020044240 is an abundant number, since it is smaller than the sum of its proper divisors (32332676558804).

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

24402020044240 is a wasteful number, since it uses less digits than its factorization.

24402020044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305025250566 (or 305025250560 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 24402020044240 its reverse (4244002020442), we get a palindrome (28646022064682).

The spelling of 24402020044240 in words is "twenty-four trillion, four hundred two billion, twenty million, forty-four thousand, two hundred forty".