266055894 has 32 divisors (see below), whose sum is σ = 636716640. Its totient is φ = 81863136.

The previous prime is 266055893. The next prime is 266055949. The reversal of 266055894 is 498550662.

266055894 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 558 + 94 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266055893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188797 + ... + 190200.

It is an arithmetic number, because the mean of its divisors is an integer number (19897395).

Almost surely, 2^266055894 is an apocalyptic number.

266055894 is an abundant number, since it is smaller than the sum of its proper divisors (370660746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266055894 is a wasteful number, since it uses less digits than its factorization.

266055894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379021 (or 379015 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 266055894 is about 16311.2198808060. The cubic root of 266055894 is about 643.1678019776.

The spelling of 266055894 in words is "two hundred sixty-six million, fifty-five thousand, eight hundred ninety-four".