3040912520 has 32 divisors (see below), whose sum is σ = 6904834200. Its totient is φ = 1205203968.

The previous prime is 3040912489. The next prime is 3040912529. The reversal of 3040912520 is 252190403.

It can be written as a sum of positive squares in 4 ways, for example, as 2592235396 + 448677124 = 50914^2 + 21182^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3040912520.

It is not an unprimeable number, because it can be changed into a prime (3040912529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344369 + ... + 353088.

Almost surely, 2^3040912520 is an apocalyptic number.

It is an amenable number.

3040912520 is an abundant number, since it is smaller than the sum of its proper divisors (3863921680).

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

3040912520 is a wasteful number, since it uses less digits than its factorization.

3040912520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697577 (or 697573 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3040912520 is about 55144.4695323112. The cubic root of 3040912520 is about 1448.7762199142.

The spelling of 3040912520 in words is "three billion, forty million, nine hundred twelve thousand, five hundred twenty".