8289651920940 has 120 divisors (see below), whose sum is σ = 28005325563600. Its totient is φ = 2040529698432.

The previous prime is 8289651920933. The next prime is 8289651921037. The reversal of 8289651920940 is 490291569828.

8289651920940 is a `hidden beast` number, since 8 + 2 + 8 + 9 + 6 + 519 + 20 + 94 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 196789290 + ... + 196831409.

It is an arithmetic number, because the mean of its divisors is an integer number (233377713030).

Almost surely, 2^{8289651920940} is an apocalyptic number.

It is an amenable number.

8289651920940 is an abundant number, since it is smaller than the sum of its proper divisors (19715673642660).

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

8289651920940 is a wasteful number, since it uses less digits than its factorization.

8289651920940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393620733 (or 393620722 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 8289651920940 in words is "eight trillion, two hundred eighty-nine billion, six hundred fifty-one million, nine hundred twenty thousand, nine hundred forty".