266049447 has 8 divisors (see below), whose sum is σ = 354818544. Its totient is φ = 177323328.

The previous prime is 266049431. The next prime is 266049461. The reversal of 266049447 is 744940662.

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

It is not a de Polignac number, because 266049447 - 2⁴ = 266049431 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 266049399 and 266049408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266044447) 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, 8763 + ... + 24675.

It is an arithmetic number, because the mean of its divisors is an integer number (44352318).

Almost surely, 2^266049447 is an apocalyptic number.

266049447 is a deficient number, since it is larger than the sum of its proper divisors (88769097).

266049447 is a wasteful number, since it uses less digits than its factorization.

266049447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21489.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 266049447 is about 16311.0222549048. The cubic root of 266049447 is about 643.1626069084.

The spelling of 266049447 in words is "two hundred sixty-six million, forty-nine thousand, four hundred forty-seven".