8041312140 has 24 divisors (see below), whose sum is σ = 22515674160. Its totient is φ = 2144349888.

The previous prime is 8041312121. The next prime is 8041312151. The reversal of 8041312140 is 412131408.

It is a super-2 number, since 2×8041312140² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8041312140.

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, 67010875 + ... + 67010994.

It is an arithmetic number, because the mean of its divisors is an integer number (938153090).

Almost surely, 2^8041312140 is an apocalyptic number.

It is an amenable number.

8041312140 is an abundant number, since it is smaller than the sum of its proper divisors (14474362020).

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

8041312140 is a wasteful number, since it uses less digits than its factorization.

8041312140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134021881 (or 134021879 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 8041312140 is about 89673.3636036923. The cubic root of 8041312140 is about 2003.4367692591.

Adding to 8041312140 its reverse (412131408), we get a palindrome (8453443548).

The spelling of 8041312140 in words is "eight billion, forty-one million, three hundred twelve thousand, one hundred forty".