266825430 has 24 divisors (see below), whose sum is σ = 693746352. Its totient is φ = 71153424.

The previous prime is 266825413. The next prime is 266825459. The reversal of 266825430 is 34528662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1482274 + ... + 1482453.

It is an arithmetic number, because the mean of its divisors is an integer number (28906098).

Almost surely, 2^266825430 is an apocalyptic number.

266825430 is an abundant number, since it is smaller than the sum of its proper divisors (426920922).

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

266825430 is a wasteful number, since it uses less digits than its factorization.

266825430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964740 (or 2964737 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 266825430 is about 16334.7920096951. The cubic root of 266825430 is about 643.7873013230.

The spelling of 266825430 in words is "two hundred sixty-six million, eight hundred twenty-five thousand, four hundred thirty".