266703952 has 80 divisors (see below), whose sum is σ = 567642240. Its totient is φ = 120992256.

The previous prime is 266703911. The next prime is 266703953. The reversal of 266703952 is 259307662.

266703952 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266703952² = 142261996024836608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266703953) 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, 714838 + ... + 715210.

It is an arithmetic number, because the mean of its divisors is an integer number (7095528).

Almost surely, 2^266703952 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 266703952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283821120).

266703952 is an abundant number, since it is smaller than the sum of its proper divisors (300938288).

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

266703952 is a wasteful number, since it uses less digits than its factorization.

266703952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 266703952 is about 16331.0732041712. The cubic root of 266703952 is about 643.6895871670.

The spelling of 266703952 in words is "two hundred sixty-six million, seven hundred three thousand, nine hundred fifty-two".