266420404 has 12 divisors (see below), whose sum is σ = 468580000. Its totient is φ = 132540408.

The previous prime is 266420383. The next prime is 266420411. The reversal of 266420404 is 404024662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166554 + ... + 168145.

Almost surely, 2^266420404 is an apocalyptic number.

It is an amenable number.

266420404 is a deficient number, since it is larger than the sum of its proper divisors (202159596).

266420404 is a wasteful number, since it uses less digits than its factorization.

266420404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334902 (or 334900 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 266420404 is about 16322.3896534791. The cubic root of 266420404 is about 643.4613920550.

The spelling of 266420404 in words is "two hundred sixty-six million, four hundred twenty thousand, four hundred four".