40224420404440 has 64 divisors (see below), whose sum is σ = 91367866368000. Its totient is φ = 15936777537408.

The previous prime is 40224420404407. The next prime is 40224420404491. The reversal of 40224420404440 is 4440402442204.

It is a junction number, because it is equal to n+sod(n) for n = 40224420404396 and 40224420404405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3438840 + ... + 9605959.

It is an arithmetic number, because the mean of its divisors is an integer number (1427622912000).

Almost surely, 2^{40224420404440} is an apocalyptic number.

40224420404440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40224420404440 is an abundant number, since it is smaller than the sum of its proper divisors (51143445963560).

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

40224420404440 is a wasteful number, since it uses less digits than its factorization.

40224420404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13045544 (or 13045540 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 40224420404440 its reverse (4440402442204), we get a palindrome (44664822846644).

The spelling of 40224420404440 in words is "forty trillion, two hundred twenty-four billion, four hundred twenty million, four hundred four thousand, four hundred forty".