6644226260 has 48 divisors (see below), whose sum is σ = 15988344960. Its totient is φ = 2271991680.

The previous prime is 6644226179. The next prime is 6644226287. The reversal of 6644226260 is 626224466.

It is a happy number.

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, 9551 + ... + 115670.

It is an arithmetic number, because the mean of its divisors is an integer number (333090520).

Almost surely, 2^6644226260 is an apocalyptic number.

It is an amenable number.

6644226260 is an abundant number, since it is smaller than the sum of its proper divisors (9344118700).

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

6644226260 is a wasteful number, since it uses less digits than its factorization.

6644226260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125616 (or 125614 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 6644226260 is about 81512.1233927813. The cubic root of 6644226260 is about 1879.9579608074.

The spelling of 6644226260 in words is "six billion, six hundred forty-four million, two hundred twenty-six thousand, two hundred sixty".