266640096 has 24 divisors (see below), whose sum is σ = 699930504. Its totient is φ = 88880000.

The previous prime is 266640047. The next prime is 266640107. The reversal of 266640096 is 690046662.

It is a tau number, because it is divible by the number of its divisors (24).

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, 1388655 + ... + 1388846.

It is an arithmetic number, because the mean of its divisors is an integer number (29163771).

Almost surely, 2^266640096 is an apocalyptic number.

It is an amenable number.

266640096 is an abundant number, since it is smaller than the sum of its proper divisors (433290408).

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

266640096 is a wasteful number, since it uses less digits than its factorization.

266640096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777514 (or 2777506 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 266640096 is about 16329.1180410946. The cubic root of 266640096 is about 643.6382109465.

The spelling of 266640096 in words is "two hundred sixty-six million, six hundred forty thousand, ninety-six".