8182012540 has 24 divisors (see below), whose sum is σ = 18503936640. Its totient is φ = 3021050688.

The previous prime is 8182012519. The next prime is 8182012543. The reversal of 8182012540 is 452102818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8182012543) 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, 15734380 + ... + 15734899.

It is an arithmetic number, because the mean of its divisors is an integer number (770997360).

Almost surely, 2^8182012540 is an apocalyptic number.

It is an amenable number.

8182012540 is an abundant number, since it is smaller than the sum of its proper divisors (10321924100).

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

8182012540 is a wasteful number, since it uses less digits than its factorization.

8182012540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31469301 (or 31469299 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 8182012540 is about 90454.4777222222. The cubic root of 8182012540 is about 2015.0541141848.

The spelling of 8182012540 in words is "eight billion, one hundred eighty-two million, twelve thousand, five hundred forty".