266466404 has 12 divisors (see below), whose sum is σ = 475115004. Its totient is φ = 130719264.

The previous prime is 266466397. The next prime is 266466419. The reversal of 266466404 is 404664662.

It can be written as a sum of positive squares in 2 ways, for example, as 126517504 + 139948900 = 11248^2 + 11830^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628247 + ... + 628670.

It is an arithmetic number, because the mean of its divisors is an integer number (39592917).

Almost surely, 2^266466404 is an apocalyptic number.

It is an amenable number.

266466404 is a deficient number, since it is larger than the sum of its proper divisors (208648600).

266466404 is a wasteful number, since it uses less digits than its factorization.

266466404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256974 (or 1256972 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 266466404 is about 16323.7987000575. The cubic root of 266466404 is about 643.4984231535.

The spelling of 266466404 in words is "two hundred sixty-six million, four hundred sixty-six thousand, four hundred four".