8540261208 has 96 divisors (see below), whose sum is σ = 24377620800. Its totient is φ = 2693559744.

The previous prime is 8540261203. The next prime is 8540261237. The reversal of 8540261208 is 8021620458.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540261203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1237335 + ... + 1244217.

It is an arithmetic number, because the mean of its divisors is an integer number (253933550).

Almost surely, 2^8540261208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8540261208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12188810400).

8540261208 is an abundant number, since it is smaller than the sum of its proper divisors (15837359592).

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

8540261208 is a wasteful number, since it uses less digits than its factorization.

8540261208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821 (or 7814 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 8540261208 is about 92413.5336841958. The cubic root of 8540261208 is about 2044.0446800971.

The spelling of 8540261208 in words is "eight billion, five hundred forty million, two hundred sixty-one thousand, two hundred eight".