6356440266 has 16 divisors (see below), whose sum is σ = 13868597088. Its totient is φ = 1926194000.

The previous prime is 6356440247. The next prime is 6356440273. The reversal of 6356440266 is 6620446536.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48154785 + ... + 48154916.

It is an arithmetic number, because the mean of its divisors is an integer number (866787318).

Almost surely, 2^6356440266 is an apocalyptic number.

6356440266 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6356440266 is an abundant number, since it is smaller than the sum of its proper divisors (7512156822).

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

6356440266 is a wasteful number, since it uses less digits than its factorization.

6356440266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96309717.

The product of its (nonzero) digits is 622080, while the sum is 42.

The square root of 6356440266 is about 79727.2868345587. The cubic root of 6356440266 is about 1852.4137245940.

The spelling of 6356440266 in words is "six billion, three hundred fifty-six million, four hundred forty thousand, two hundred sixty-six".