266944413 has 8 divisors (see below), whose sum is σ = 356112448. Its totient is φ = 177869664.

The previous prime is 266944409. The next prime is 266944427. The reversal of 266944413 is 314449662.

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

It is not a de Polignac number, because 266944413 - 2² = 266944409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266944493) 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, 16345 + ... + 28302.

It is an arithmetic number, because the mean of its divisors is an integer number (44514056).

Almost surely, 2^266944413 is an apocalyptic number.

It is an amenable number.

266944413 is a deficient number, since it is larger than the sum of its proper divisors (89168035).

266944413 is a wasteful number, since it uses less digits than its factorization.

266944413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46643.

The product of its digits is 124416, while the sum is 39.

The square root of 266944413 is about 16338.4336152521. The cubic root of 266944413 is about 643.8829798115.

The spelling of 266944413 in words is "two hundred sixty-six million, nine hundred forty-four thousand, four hundred thirteen".