8113440368 has 40 divisors (see below), whose sum is σ = 17390422656. Its totient is φ = 3635979200.

The previous prime is 8113440331. The next prime is 8113440437. The reversal of 8113440368 is 8630443118.

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, 312146 + ... + 337137.

Almost surely, 2^8113440368 is an apocalyptic number.

8113440368 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8113440368 is an abundant number, since it is smaller than the sum of its proper divisors (9276982288).

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

8113440368 is a wasteful number, since it uses less digits than its factorization.

8113440368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649373 (or 649367 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 8113440368 is about 90074.6377622469. The cubic root of 8113440368 is about 2009.4090296654.

The spelling of 8113440368 in words is "eight billion, one hundred thirteen million, four hundred forty thousand, three hundred sixty-eight".