2040520412 has 12 divisors (see below), whose sum is σ = 4081040880. Its totient is φ = 874508736.

The previous prime is 2040520411. The next prime is 2040520457. The reversal of 2040520412 is 2140250402.

It is a happy number.

2040520412 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040520411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36437837 + ... + 36437892.

It is an arithmetic number, because the mean of its divisors is an integer number (340086740).

Almost surely, 2^2040520412 is an apocalyptic number.

It is an amenable number.

2040520412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2040520412 is a wasteful number, since it uses less digits than its factorization.

2040520412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72875740 (or 72875738 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2040520412 is about 45172.1198528473. The cubic root of 2040520412 is about 1268.3729783780.

Adding to 2040520412 its reverse (2140250402), we get a palindrome (4180770814).

The spelling of 2040520412 in words is "two billion, forty million, five hundred twenty thousand, four hundred twelve".