266812034800 has 30 divisors (see below), whose sum is σ = 641015914568. Its totient is φ = 106724813760.

The previous prime is 266812034729. The next prime is 266812034803. The reversal of 266812034800 is 8430218662.

It is a super-2 number, since 2×266812034800² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266812034803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333514644 + ... + 333515443.

Almost surely, 2^266812034800 is an apocalyptic number.

266812034800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266812034800 is an abundant number, since it is smaller than the sum of its proper divisors (374203879768).

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

266812034800 is a wasteful number, since it uses less digits than its factorization.

266812034800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667030105 (or 667030094 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 266812034800 in words is "two hundred sixty-six billion, eight hundred twelve million, thirty-four thousand, eight hundred".