8625625385640 has 64 divisors (see below), whose sum is σ = 27001957737600. Its totient is φ = 2200159517952.

The previous prime is 8625625385633. The next prime is 8625625385659. The reversal of 8625625385640 is 465835265268.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 1562610535 + ... + 1562616054.

It is an arithmetic number, because the mean of its divisors is an integer number (421905589650).

Almost surely, 2^{8625625385640} is an apocalyptic number.

It is an amenable number.

8625625385640 is an abundant number, since it is smaller than the sum of its proper divisors (18376332351960).

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

8625625385640 is a wasteful number, since it uses less digits than its factorization.

8625625385640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125226626 (or 3125226622 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 60.

The spelling of 8625625385640 in words is "eight trillion, six hundred twenty-five billion, six hundred twenty-five million, three hundred eighty-five thousand, six hundred forty".