266244732100 has 18 divisors (see below), whose sum is σ = 577751068874. Its totient is φ = 106497892800.

The previous prime is 266244732077. The next prime is 266244732113. The reversal of 266244732100 is 1237442662.

It can be written as a sum of positive squares in 3 ways, for example, as 12129938496 + 254114793604 = 110136^2 + 504098^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266244732100.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1331223561 + ... + 1331223760.

Almost surely, 2^266244732100 is an apocalyptic number.

266244732100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266244732100 is an abundant number, since it is smaller than the sum of its proper divisors (311506336774).

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

266244732100 is a wasteful number, since it uses less digits than its factorization.

266244732100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662447335 (or 2662447328 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 266244732100 in words is "two hundred sixty-six billion, two hundred forty-four million, seven hundred thirty-two thousand, one hundred".