266604404 has 48 divisors (see below), whose sum is σ = 547839936. Its totient is φ = 112166400.

The previous prime is 266604389. The next prime is 266604413. The reversal of 266604404 is 404406662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42707 + ... + 48549.

It is an arithmetic number, because the mean of its divisors is an integer number (11413332).

Almost surely, 2^266604404 is an apocalyptic number.

It is an amenable number.

266604404 is an abundant number, since it is smaller than the sum of its proper divisors (281235532).

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

266604404 is a wasteful number, since it uses less digits than its factorization.

266604404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936 (or 5934 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 266604404 is about 16328.0251102208. The cubic root of 266604404 is about 643.6094908847.

The spelling of 266604404 in words is "two hundred sixty-six million, six hundred four thousand, four hundred four".