266424403 has 8 divisors (see below), whose sum is σ = 320510720. Its totient is φ = 216344520.

The previous prime is 266424359. The next prime is 266424413. The reversal of 266424403 is 304424662.

266424403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266424403 - 2⁹ = 266423891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266424413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001463 + ... + 1001728.

It is an arithmetic number, because the mean of its divisors is an integer number (40063840).

Almost surely, 2^266424403 is an apocalyptic number.

266424403 is a deficient number, since it is larger than the sum of its proper divisors (54086317).

266424403 is a wasteful number, since it uses less digits than its factorization.

266424403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003217.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 266424403 is about 16322.5121534646. The cubic root of 266424403 is about 643.4646115146.

The spelling of 266424403 in words is "two hundred sixty-six million, four hundred twenty-four thousand, four hundred three".