2040585918 has 32 divisors (see below), whose sum is σ = 4743256320. Its totient is φ = 573142080.

The previous prime is 2040585893. The next prime is 2040585929. The reversal of 2040585918 is 8195850402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 2040585918.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409263 + ... + 414218.

It is an arithmetic number, because the mean of its divisors is an integer number (148226760).

Almost surely, 2^2040585918 is an apocalyptic number.

2040585918 is an abundant number, since it is smaller than the sum of its proper divisors (2702670402).

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

2040585918 is a wasteful number, since it uses less digits than its factorization.

2040585918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823552.

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 2040585918 is about 45172.8449181585. The cubic root of 2040585918 is about 1268.3865509207.

The spelling of 2040585918 in words is "two billion, forty million, five hundred eighty-five thousand, nine hundred eighteen".