8681451340 has 24 divisors (see below), whose sum is σ = 18723780432. Its totient is φ = 3378726720.

The previous prime is 8681451323. The next prime is 8681451341. The reversal of 8681451340 is 431541868.

It is a junction number, because it is equal to n+sod(n) for n = 8681451293 and 8681451302.

It is not an unprimeable number, because it can be changed into a prime (8681451341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5865106 + ... + 5866585.

It is an arithmetic number, because the mean of its divisors is an integer number (780157518).

Almost surely, 2^8681451340 is an apocalyptic number.

It is an amenable number.

8681451340 is an abundant number, since it is smaller than the sum of its proper divisors (10042329092).

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

8681451340 is a wasteful number, since it uses less digits than its factorization.

8681451340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11731737 (or 11731735 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 8681451340 is about 93174.3062222628. The cubic root of 8681451340 is about 2055.2474203983.

The spelling of 8681451340 in words is "eight billion, six hundred eighty-one million, four hundred fifty-one thousand, three hundred forty".