266006402 has 8 divisors (see below), whose sum is σ = 400430412. Its totient is φ = 132529600.

The previous prime is 266006359. The next prime is 266006467. The reversal of 266006402 is 204600662.

It can be written as a sum of positive squares in 2 ways, for example, as 227677921 + 38328481 = 15089^2 + 6191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236099 + ... + 237222.

Almost surely, 2^266006402 is an apocalyptic number.

266006402 is a deficient number, since it is larger than the sum of its proper divisors (134424010).

266006402 is a wasteful number, since it uses less digits than its factorization.

266006402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473604.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 266006402 is about 16309.7026950218. The cubic root of 266006402 is about 643.1279185852.

The spelling of 266006402 in words is "two hundred sixty-six million, six thousand, four hundred two".