8260100040 has 64 divisors (see below), whose sum is σ = 25579676160. Its totient is φ = 2131637760.

The previous prime is 8260100021. The next prime is 8260100089. The reversal of 8260100040 is 400010628.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106509 + ... + 1113948.

It is an arithmetic number, because the mean of its divisors is an integer number (399682440).

Almost surely, 2^8260100040 is an apocalyptic number.

It is an amenable number.

8260100040 is an abundant number, since it is smaller than the sum of its proper divisors (17319576120).

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

8260100040 is a wasteful number, since it uses less digits than its factorization.

8260100040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220502 (or 2220498 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 8260100040 is about 90885.0925069673. The cubic root of 8260100040 is about 2021.4442535556. Note that the first 3 decimals are identical.

Adding to 8260100040 its reverse (400010628), we get a palindrome (8660110668).

The spelling of 8260100040 in words is "eight billion, two hundred sixty million, one hundred thousand, forty".