8140081407468 has 24 divisors (see below), whose sum is σ = 19261037698560. Its totient is φ = 2675144124240.

The previous prime is 8140081407449. The next prime is 8140081407499. The reversal of 8140081407468 is 8647041800418.

It is a self number, because there is not a number n which added to its sum of digits gives 8140081407468.

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, 4777042228 + ... + 4777043931.

It is an arithmetic number, because the mean of its divisors is an integer number (802543237440).

Almost surely, 2^{8140081407468} is an apocalyptic number.

It is an amenable number.

8140081407468 is an abundant number, since it is smaller than the sum of its proper divisors (11120956291092).

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

8140081407468 is a wasteful number, since it uses less digits than its factorization.

8140081407468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9554086237 (or 9554086235 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 51.

The spelling of 8140081407468 in words is "eight trillion, one hundred forty billion, eighty-one million, four hundred seven thousand, four hundred sixty-eight".