266223459630 has 32 divisors (see below), whose sum is σ = 638963251200. Its totient is φ = 70989928352.

The previous prime is 266223459629. The next prime is 266223459637. The reversal of 266223459630 is 36954322662.

It is a self number, because there is not a number n which added to its sum of digits gives 266223459630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266223459637) 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, 588751 + ... + 937589.

It is an arithmetic number, because the mean of its divisors is an integer number (19967601600).

Almost surely, 2^266223459630 is an apocalyptic number.

266223459630 is an abundant number, since it is smaller than the sum of its proper divisors (372739791570).

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

266223459630 is a wasteful number, since it uses less digits than its factorization.

266223459630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374288.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 266223459630 in words is "two hundred sixty-six billion, two hundred twenty-three million, four hundred fifty-nine thousand, six hundred thirty".