2640832842 has 16 divisors (see below), whose sum is σ = 5282460000. Its totient is φ = 880145232.

The previous prime is 2640832841. The next prime is 2640832877. The reversal of 2640832842 is 2482380462.

It is a self number, because there is not a number n which added to its sum of digits gives 2640832842.

It is not an unprimeable number, because it can be changed into a prime (2640832841) 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, 15648 + ... + 74340.

It is an arithmetic number, because the mean of its divisors is an integer number (330153750).

Almost surely, 2^2640832842 is an apocalyptic number.

2640832842 is an abundant number, since it is smaller than the sum of its proper divisors (2641627158).

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

2640832842 is a wasteful number, since it uses less digits than its factorization.

2640832842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66197.

The product of its (nonzero) digits is 147456, while the sum is 39.

The square root of 2640832842 is about 51389.0342582929. The cubic root of 2640832842 is about 1382.2299663457.

The spelling of 2640832842 in words is "two billion, six hundred forty million, eight hundred thirty-two thousand, eight hundred forty-two".