2040065240 has 32 divisors (see below), whose sum is σ = 4605839280. Its totient is φ = 813236352.

The previous prime is 2040065231. The next prime is 2040065257. The reversal of 2040065240 is 425600402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75314 + ... + 98753.

Almost surely, 2^2040065240 is an apocalyptic number.

2040065240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040065240 is an abundant number, since it is smaller than the sum of its proper divisors (2565774040).

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

2040065240 is a wasteful number, since it uses less digits than its factorization.

2040065240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174371 (or 174367 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2040065240 is about 45167.0813757099. The cubic root of 2040065240 is about 1268.2786608051.

Adding to 2040065240 its reverse (425600402), we get a palindrome (2465665642).

The spelling of 2040065240 in words is "two billion, forty million, sixty-five thousand, two hundred forty".