6626204440 has 16 divisors (see below), whose sum is σ = 14908960080. Its totient is φ = 2650481760.

The previous prime is 6626204413. The next prime is 6626204447. The reversal of 6626204440 is 444026266.

It is a junction number, because it is equal to n+sod(n) for n = 6626204396 and 6626204405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6626204447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82827516 + ... + 82827595.

It is an arithmetic number, because the mean of its divisors is an integer number (931810005).

Almost surely, 2^6626204440 is an apocalyptic number.

It is an amenable number.

6626204440 is an abundant number, since it is smaller than the sum of its proper divisors (8282755640).

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

6626204440 is a wasteful number, since it uses less digits than its factorization.

6626204440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165655122 (or 165655118 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 6626204440 is about 81401.5014603539. The cubic root of 6626204440 is about 1878.2566870897.

The spelling of 6626204440 in words is "six billion, six hundred twenty-six million, two hundred four thousand, four hundred forty".