266428286 has 8 divisors (see below), whose sum is σ = 399712320. Its totient is φ = 133190848.

The previous prime is 266428271. The next prime is 266428313. The reversal of 266428286 is 682824662.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13550 + ... + 26766.

It is an arithmetic number, because the mean of its divisors is an integer number (49964040).

Almost surely, 2^266428286 is an apocalyptic number.

266428286 is a deficient number, since it is larger than the sum of its proper divisors (133284034).

266428286 is a wasteful number, since it uses less digits than its factorization.

266428286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23298.

The product of its digits is 442368, while the sum is 44.

The square root of 266428286 is about 16322.6310991825. The cubic root of 266428286 is about 643.4677375558.

The spelling of 266428286 in words is "two hundred sixty-six million, four hundred twenty-eight thousand, two hundred eighty-six".