2520345264 has 20 divisors (see below), whose sum is σ = 6510892056. Its totient is φ = 840115072.

The previous prime is 2520345263. The next prime is 2520345299. The reversal of 2520345264 is 4625430252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2520345263) 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, 26253549 + ... + 26253644.

Almost surely, 2^2520345264 is an apocalyptic number.

2520345264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2520345264 is an abundant number, since it is smaller than the sum of its proper divisors (3990546792).

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

2520345264 is a wasteful number, since it uses less digits than its factorization.

2520345264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52507204 (or 52507198 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 2520345264 is about 50203.0403860165. The cubic root of 2520345264 is about 1360.8805687140.

The spelling of 2520345264 in words is "two billion, five hundred twenty million, three hundred forty-five thousand, two hundred sixty-four".