266722432 has 16 divisors (see below), whose sum is σ = 531361350. Its totient is φ = 133361152.

The previous prime is 266722373. The next prime is 266722441. The reversal of 266722432 is 234227662.

It can be written as a sum of positive squares in only one way, i.e., 204375616 + 62346816 = 14296^2 + 7896^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×266722432² = 142281711463989248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041757 + ... + 1042012.

Almost surely, 2^266722432 is an apocalyptic number.

It is an amenable number.

266722432 is a deficient number, since it is larger than the sum of its proper divisors (264638918).

266722432 is an equidigital number, since it uses as much as digits as its factorization.

266722432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083783 (or 2083771 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 266722432 is about 16331.6389869480. The cubic root of 266722432 is about 643.7044539744.

The spelling of 266722432 in words is "two hundred sixty-six million, seven hundred twenty-two thousand, four hundred thirty-two".