266630404 has 12 divisors (see below), whose sum is σ = 470278144. Its totient is φ = 132265224.

The previous prime is 266630369. The next prime is 266630443. The reversal of 266630404 is 404036662.

266630404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 261924 + ... + 262939.

Almost surely, 2^266630404 is an apocalyptic number.

It is an amenable number.

266630404 is a deficient number, since it is larger than the sum of its proper divisors (203647740).

266630404 is a wasteful number, since it uses less digits than its factorization.

266630404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524994 (or 524992 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 266630404 is about 16328.8212679299. The cubic root of 266630404 is about 643.6304123980.

The spelling of 266630404 in words is "two hundred sixty-six million, six hundred thirty thousand, four hundred four".