8351795840 has 64 divisors (see below), whose sum is σ = 20654541000. Its totient is φ = 3225513984.

The previous prime is 8351795831. The next prime is 8351795843. The reversal of 8351795840 is 485971538.

It can be written as a sum of positive squares in 4 ways, for example, as 8254812736 + 96983104 = 90856^2 + 9848^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (8351795843) 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, 206435 + ... + 243554.

Almost surely, 2^8351795840 is an apocalyptic number.

8351795840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8351795840 is an abundant number, since it is smaller than the sum of its proper divisors (12302745160).

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

8351795840 is a wasteful number, since it uses less digits than its factorization.

8351795840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450037 (or 450025 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 8351795840 is about 91388.1602834853. The cubic root of 8351795840 is about 2028.8967967728.

The spelling of 8351795840 in words is "eight billion, three hundred fifty-one million, seven hundred ninety-five thousand, eight hundred forty".