2520265988 has 6 divisors (see below), whose sum is σ = 4410465486. Its totient is φ = 1260132992.

The previous prime is 2520265987. The next prime is 2520266027. The reversal of 2520265988 is 8895620252.

It can be written as a sum of positive squares in only one way, i.e., 1485485764 + 1034780224 = 38542^2 + 32168^2 .

It is a super-2 number, since 2×2520265988² = 12703481300539232288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2520265987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315033245 + ... + 315033252.

It is an arithmetic number, because the mean of its divisors is an integer number (735077581).

Almost surely, 2^2520265988 is an apocalyptic number.

It is an amenable number.

2520265988 is a deficient number, since it is larger than the sum of its proper divisors (1890199498).

2520265988 is a wasteful number, since it uses less digits than its factorization.

2520265988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630066501 (or 630066499 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 2520265988 is about 50202.2508260337. The cubic root of 2520265988 is about 1360.8662999944.

The spelling of 2520265988 in words is "two billion, five hundred twenty million, two hundred sixty-five thousand, nine hundred eighty-eight".