2604590266 has 4 divisors (see below), whose sum is σ = 3906885402. Its totient is φ = 1302295132.

The previous prime is 2604590257. The next prime is 2604590273. The reversal of 2604590266 is 6620954062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1700325225 + 904265041 = 41235^2 + 30071^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651147565 + ... + 651147568.

Almost surely, 2^2604590266 is an apocalyptic number.

2604590266 is a deficient number, since it is larger than the sum of its proper divisors (1302295136).

2604590266 is a wasteful number, since it uses less digits than its factorization.

2604590266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302295135.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 2604590266 is about 51035.1865481062. The cubic root of 2604590266 is about 1375.8776133514.

The spelling of 2604590266 in words is "two billion, six hundred four million, five hundred ninety thousand, two hundred sixty-six".