2520340304 has 20 divisors (see below), whose sum is σ = 5170404564. Its totient is φ = 1186042368.

The previous prime is 2520340301. The next prime is 2520340313. The reversal of 2520340304 is 4030430252.

It can be written as a sum of positive squares in 2 ways, for example, as 1984880704 + 535459600 = 44552^2 + 23140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2520340304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520340301) 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, 4632707 + ... + 4633250.

Almost surely, 2^2520340304 is an apocalyptic number.

It is an amenable number.

2520340304 is an abundant number, since it is smaller than the sum of its proper divisors (2650064260).

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

2520340304 is a wasteful number, since it uses less digits than its factorization.

2520340304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9265982 (or 9265976 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 2520340304 is about 50202.9909865936. The cubic root of 2520340304 is about 1360.8796759828.

Adding to 2520340304 its reverse (4030430252), we get a palindrome (6550770556).

The spelling of 2520340304 in words is "two billion, five hundred twenty million, three hundred forty thousand, three hundred four".