8081040968 has 64 divisors (see below), whose sum is σ = 20343899520. Its totient is φ = 2906265600.

The previous prime is 8081040959. The next prime is 8081040973. The reversal of 8081040968 is 8690401808.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 496553 + ... + 512568.

It is an arithmetic number, because the mean of its divisors is an integer number (317873430).

Almost surely, 2^8081040968 is an apocalyptic number.

8081040968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8081040968 is an abundant number, since it is smaller than the sum of its proper divisors (12262858552).

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

8081040968 is a wasteful number, since it uses less digits than its factorization.

8081040968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009158 (or 1009154 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 8081040968 is about 89894.6103389964. The cubic root of 8081040968 is about 2006.7307371784.

The spelling of 8081040968 in words is "eight billion, eighty-one million, forty thousand, nine hundred sixty-eight".