22403020040440 has 96 divisors (see below), whose sum is σ = 56057709415680. Its totient is φ = 8048319791616.

The previous prime is 22403020040407. The next prime is 22403020040497. The reversal of 22403020040440 is 4404002030422.

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 23 ways as a sum of consecutive naturals, for example, 44534424 + ... + 45034663.

It is an arithmetic number, because the mean of its divisors is an integer number (583934473080).

Almost surely, 2^{22403020040440} is an apocalyptic number.

22403020040440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22403020040440 is an abundant number, since it is smaller than the sum of its proper divisors (33654689375240).

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

22403020040440 is a wasteful number, since it uses less digits than its factorization.

22403020040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89569161 (or 89569144 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22403020040440 its reverse (4404002030422), we get a palindrome (26807022070862).

The spelling of 22403020040440 in words is "twenty-two trillion, four hundred three billion, twenty million, forty thousand, four hundred forty".