266428752 has 40 divisors (see below), whose sum is σ = 689655264. Its totient is φ = 88631424.

The previous prime is 266428751. The next prime is 266428763. The reversal of 266428752 is 257824662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266428751) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19798 + ... + 30410.

Almost surely, 2^266428752 is an apocalyptic number.

It is an amenable number.

266428752 is an abundant number, since it is smaller than the sum of its proper divisors (423226512).

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

266428752 is a wasteful number, since it uses less digits than its factorization.

266428752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11147 (or 11141 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 266428752 is about 16322.6453738357. The cubic root of 266428752 is about 643.4681127109.

The spelling of 266428752 in words is "two hundred sixty-six million, four hundred twenty-eight thousand, seven hundred fifty-two".