266344241428 has 12 divisors (see below), whose sum is σ = 468052643520. Its totient is φ = 132614914712.

The previous prime is 266344241393. The next prime is 266344241437. The reversal of 266344241428 is 824142443662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139300426 + ... + 139302337.

It is an arithmetic number, because the mean of its divisors is an integer number (39004386960).

Almost surely, 2^266344241428 is an apocalyptic number.

It is an amenable number.

266344241428 is a deficient number, since it is larger than the sum of its proper divisors (201708402092).

266344241428 is a wasteful number, since it uses less digits than its factorization.

266344241428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278603006 (or 278603004 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 46.

The spelling of 266344241428 in words is "two hundred sixty-six billion, three hundred forty-four million, two hundred forty-one thousand, four hundred twenty-eight".