818044656268 has 24 divisors (see below), whose sum is σ = 1636410337184. Its totient is φ = 350521776000.

The previous prime is 818044656251. The next prime is 818044656277. The reversal of 818044656268 is 862656440818.

It is a happy 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, 2720913 + ... + 3006568.

Almost surely, 2^818044656268 is an apocalyptic number.

It is an amenable number.

818044656268 is an abundant number, since it is smaller than the sum of its proper divisors (818365680916).

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

818044656268 is a wasteful number, since it uses less digits than its factorization.

818044656268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732593 (or 5732591 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 58.

The spelling of 818044656268 in words is "eight hundred eighteen billion, forty-four million, six hundred fifty-six thousand, two hundred sixty-eight".