266403326332 has 48 divisors (see below), whose sum is σ = 549262338912. Its totient is φ = 111460884480.

The previous prime is 266403326323. The next prime is 266403326339. The reversal of 266403326332 is 233623304662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266403326339) 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, 457773 + ... + 861604.

It is an arithmetic number, because the mean of its divisors is an integer number (11442965394).

Almost surely, 2^266403326332 is an apocalyptic number.

266403326332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

266403326332 is an abundant number, since it is smaller than the sum of its proper divisors (282859012580).

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

266403326332 is a wasteful number, since it uses less digits than its factorization.

266403326332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319758 (or 1319756 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 40.

The spelling of 266403326332 in words is "two hundred sixty-six billion, four hundred three million, three hundred twenty-six thousand, three hundred thirty-two".