266054464 has 56 divisors (see below), whose sum is σ = 575111880. Its totient is φ = 121380864.

The previous prime is 266054461. The next prime is 266054507. The reversal of 266054464 is 464450662.

266054464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1016064 + 265038400 = 1008^2 + 16280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266054461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72252 + ... + 75844.

It is an arithmetic number, because the mean of its divisors is an integer number (10269855).

Almost surely, 2^266054464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266054464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287555940).

266054464 is an abundant number, since it is smaller than the sum of its proper divisors (309057416).

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

266054464 is a wasteful number, since it uses less digits than its factorization.

266054464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707 (or 3697 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 266054464 is about 16311.1760458895. The cubic root of 266054464 is about 643.1666496738.

The spelling of 266054464 in words is "two hundred sixty-six million, fifty-four thousand, four hundred sixty-four".