8018393268 has 24 divisors (see below), whose sum is σ = 18712103872. Its totient is φ = 2672437824.

The previous prime is 8018393233. The next prime is 8018393293. The reversal of 8018393268 is 8623938108.

It is a congruent 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, 57096 + ... + 138912.

Almost surely, 2^8018393268 is an apocalyptic number.

It is an amenable number.

8018393268 is an abundant number, since it is smaller than the sum of its proper divisors (10693710604).

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

8018393268 is a wasteful number, since it uses less digits than its factorization.

8018393268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89991 (or 89989 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 8018393268 is about 89545.4815610481. The cubic root of 8018393268 is about 2001.5315991360.

The spelling of 8018393268 in words is "eight billion, eighteen million, three hundred ninety-three thousand, two hundred sixty-eight".