8187282040 has 32 divisors (see below), whose sum is σ = 21053011680. Its totient is φ = 2807068032.

The previous prime is 8187282031. The next prime is 8187282053. The reversal of 8187282040 is 402827818.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 8187281984 and 8187282002.

It is a congruent number.

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, 14619867 + ... + 14620426.

It is an arithmetic number, because the mean of its divisors is an integer number (657906615).

Almost surely, 2^8187282040 is an apocalyptic number.

It is an amenable number.

8187282040 is an abundant number, since it is smaller than the sum of its proper divisors (12865729640).

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

8187282040 is a wasteful number, since it uses less digits than its factorization.

8187282040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29240311 (or 29240307 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 8187282040 is about 90483.6009451436. The cubic root of 8187282040 is about 2015.4866096087.

The spelling of 8187282040 in words is "eight billion, one hundred eighty-seven million, two hundred eighty-two thousand, forty".