8253575840 has 24 divisors (see below), whose sum is σ = 19499073300. Its totient is φ = 3301430272.

The previous prime is 8253575831. The next prime is 8253575881. The reversal of 8253575840 is 485753528.

It can be written as a sum of positive squares in 2 ways, for example, as 7880467984 + 373107856 = 88772^2 + 19316^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25792265 + ... + 25792584.

Almost surely, 2^8253575840 is an apocalyptic number.

8253575840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8253575840 is an abundant number, since it is smaller than the sum of its proper divisors (11245497460).

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

8253575840 is a wasteful number, since it uses less digits than its factorization.

8253575840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51584864 (or 51584856 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 47.

The square root of 8253575840 is about 90849.1928417639. The cubic root of 8253575840 is about 2020.9119040563.

The spelling of 8253575840 in words is "eight billion, two hundred fifty-three million, five hundred seventy-five thousand, eight hundred forty".