266266354452 has 96 divisors (see below), whose sum is σ = 712641888000. Its totient is φ = 75798208512.

The previous prime is 266266354447. The next prime is 266266354507. The reversal of 266266354452 is 254453662662.

It is a junction number, because it is equal to n+sod(n) for n = 266266354395 and 266266354404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29420424 + ... + 29429472.

It is an arithmetic number, because the mean of its divisors is an integer number (7423353000).

Almost surely, 2^266266354452 is an apocalyptic number.

It is an amenable number.

266266354452 is an abundant number, since it is smaller than the sum of its proper divisors (446375533548).

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

266266354452 is a wasteful number, since it uses less digits than its factorization.

266266354452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10305 (or 10303 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 51.

The spelling of 266266354452 in words is "two hundred sixty-six billion, two hundred sixty-six million, three hundred fifty-four thousand, four hundred fifty-two".