266462240 has 96 divisors (see below), whose sum is σ = 694008000. Its totient is φ = 95872000.

The previous prime is 266462177. The next prime is 266462257. The reversal of 266462240 is 42264662.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 266462197 and 266462206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177011 + ... + 178509.

It is an arithmetic number, because the mean of its divisors is an integer number (7229250).

Almost surely, 2^266462240 is an apocalyptic number.

266462240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266462240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347004000).

266462240 is an abundant number, since it is smaller than the sum of its proper divisors (427545760).

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

266462240 is a wasteful number, since it uses less digits than its factorization.

266462240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 266462240 is about 16323.6711557174. The cubic root of 266462240 is about 643.4950712095.

It can be divided in two parts, 2664622 and 40, that added together give a palindrome (2664662).

The spelling of 266462240 in words is "two hundred sixty-six million, four hundred sixty-two thousand, two hundred forty".