266004630 has 24 divisors (see below), whose sum is σ = 691612272. Its totient is φ = 70934544.

The previous prime is 266004623. The next prime is 266004647. The reversal of 266004630 is 36400662.

266004630 is a `hidden beast` number, since 26 + 6 + 0 + 0 + 4 + 630 = 666.

266004630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 266004594 and 266004603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1477714 + ... + 1477893.

It is an arithmetic number, because the mean of its divisors is an integer number (28817178).

Almost surely, 2^266004630 is an apocalyptic number.

266004630 is an abundant number, since it is smaller than the sum of its proper divisors (425607642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266004630 is a wasteful number, since it uses less digits than its factorization.

266004630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955620 (or 2955617 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 266004630 is about 16309.6483714395. The cubic root of 266004630 is about 643.1264905178.

The spelling of 266004630 in words is "two hundred sixty-six million, four thousand, six hundred thirty".