2550405266 has 4 divisors (see below), whose sum is σ = 3825607902. Its totient is φ = 1275202632.

The previous prime is 2550405239. The next prime is 2550405281. The reversal of 2550405266 is 6625040552.

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., 1958505025 + 591900241 = 44255^2 + 24329^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637601315 + ... + 637601318.

Almost surely, 2^2550405266 is an apocalyptic number.

2550405266 is a deficient number, since it is larger than the sum of its proper divisors (1275202636).

2550405266 is a wasteful number, since it uses less digits than its factorization.

2550405266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275202635.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2550405266 is about 50501.5372637309. The cubic root of 2550405266 is about 1366.2695798053.

The spelling of 2550405266 in words is "two billion, five hundred fifty million, four hundred five thousand, two hundred sixty-six".