6226404244440 has 64 divisors (see below), whose sum is σ = 18685340172000. Its totient is φ = 1659829804032.

The previous prime is 6226404244429. The next prime is 6226404244441. The reversal of 6226404244440 is 444424046226.

It is a junction number, because it is equal to n+sod(n) for n = 6226404244392 and 6226404244401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6226404244441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8142927 + ... + 8874686.

Almost surely, 2^{6226404244440} is an apocalyptic number.

6226404244440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6226404244440 is an abundant number, since it is smaller than the sum of its proper divisors (12458935927560).

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

6226404244440 is a wasteful number, since it uses less digits than its factorization.

6226404244440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17020676 (or 17020672 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 42.

The spelling of 6226404244440 in words is "six trillion, two hundred twenty-six billion, four hundred four million, two hundred forty-four thousand, four hundred forty".