8257554340 has 24 divisors (see below), whose sum is σ = 19818130752. Its totient is φ = 2831161440.

The previous prime is 8257554317. The next prime is 8257554377. The reversal of 8257554340 is 434557528.

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, 29491126 + ... + 29491405.

It is an arithmetic number, because the mean of its divisors is an integer number (825755448).

Almost surely, 2^8257554340 is an apocalyptic number.

It is an amenable number.

8257554340 is an abundant number, since it is smaller than the sum of its proper divisors (11560576412).

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

8257554340 is a wasteful number, since it uses less digits than its factorization.

8257554340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58982547 (or 58982545 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The square root of 8257554340 is about 90871.0863806525. The cubic root of 8257554340 is about 2021.2365676377.

The spelling of 8257554340 in words is "eight billion, two hundred fifty-seven million, five hundred fifty-four thousand, three hundred forty".