2520434068 has 6 divisors (see below), whose sum is σ = 4410759626. Its totient is φ = 1260217032.

The previous prime is 2520434057. The next prime is 2520434069. The reversal of 2520434068 is 8604340252.

It can be written as a sum of positive squares in only one way, i.e., 2510811664 + 9622404 = 50108^2 + 3102^2 .

It is a super-2 number, since 2×2520434068² = 12705175782270057248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520434069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315054255 + ... + 315054262.

Almost surely, 2^2520434068 is an apocalyptic number.

It is an amenable number.

2520434068 is a deficient number, since it is larger than the sum of its proper divisors (1890325558).

2520434068 is a wasteful number, since it uses less digits than its factorization.

2520434068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630108521 (or 630108519 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 2520434068 is about 50203.9248266508. The cubic root of 2520434068 is about 1360.8965520028.

The spelling of 2520434068 in words is "two billion, five hundred twenty million, four hundred thirty-four thousand, sixty-eight".