2520262664 has 16 divisors (see below), whose sum is σ = 4726483920. Its totient is φ = 1259866960.

The previous prime is 2520262649. The next prime is 2520262669. The reversal of 2520262664 is 4662620252.

It is not an unprimeable number, because it can be changed into a prime (2520262669) 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, 10907 + ... + 71829.

It is an arithmetic number, because the mean of its divisors is an integer number (295405245).

Almost surely, 2^2520262664 is an apocalyptic number.

It is an amenable number.

2520262664 is a deficient number, since it is larger than the sum of its proper divisors (2206221256).

2520262664 is a wasteful number, since it uses less digits than its factorization.

2520262664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66100 (or 66096 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2520262664 is about 50202.2177199374. The cubic root of 2520262664 is about 1360.8657017082.

The spelling of 2520262664 in words is "two billion, five hundred twenty million, two hundred sixty-two thousand, six hundred sixty-four".