266242046422 has 32 divisors (see below), whose sum is σ = 443513283840. Its totient is φ = 118844352480.

The previous prime is 266242046401. The next prime is 266242046437. The reversal of 266242046422 is 224640242662.

It is a happy number.

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, 1149108 + ... + 1361224.

It is an arithmetic number, because the mean of its divisors is an integer number (13859790120).

Almost surely, 2^266242046422 is an apocalyptic number.

266242046422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

266242046422 is a deficient number, since it is larger than the sum of its proper divisors (177271237418).

266242046422 is a wasteful number, since it uses less digits than its factorization.

266242046422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213156.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 266242046422 in words is "two hundred sixty-six billion, two hundred forty-two million, forty-six thousand, four hundred twenty-two".