266327400 has 48 divisors (see below), whose sum is σ = 825616800. Its totient is φ = 71020480.

The previous prime is 266327377. The next prime is 266327401. The reversal of 266327400 is 4723662.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266327401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221340 + ... + 222539.

It is an arithmetic number, because the mean of its divisors is an integer number (17200350).

Almost surely, 2^266327400 is an apocalyptic number.

266327400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266327400 is an abundant number, since it is smaller than the sum of its proper divisors (559289400).

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

266327400 is a wasteful number, since it uses less digits than its factorization.

266327400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443898 (or 443889 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 266327400 is about 16319.5404347059. The cubic root of 266327400 is about 643.3865085908.

The spelling of 266327400 in words is "two hundred sixty-six million, three hundred twenty-seven thousand, four hundred".