2505262664 has 32 divisors (see below), whose sum is σ = 4976235000. Its totient is φ = 1178342400.

The previous prime is 2505262663. The next prime is 2505262673. The reversal of 2505262664 is 4662625052.

It can be written as a sum of positive squares in 4 ways, for example, as 1907068900 + 598193764 = 43670^2 + 24458^2 .

It is not an unprimeable number, because it can be changed into a prime (2505262663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370514 + ... + 377214.

Almost surely, 2^2505262664 is an apocalyptic number.

It is an amenable number.

2505262664 is a deficient number, since it is larger than the sum of its proper divisors (2470972336).

2505262664 is a wasteful number, since it uses less digits than its factorization.

2505262664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9473 (or 9469 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 2505262664 is about 50052.5989734799. The cubic root of 2505262664 is about 1358.1604786914.

The spelling of 2505262664 in words is "two billion, five hundred five million, two hundred sixty-two thousand, six hundred sixty-four".