266426135632 has 40 divisors (see below), whose sum is σ = 534281200640. Its totient is φ = 128570163840.

The previous prime is 266426135627. The next prime is 266426135737. The reversal of 266426135632 is 236531624662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535032 + ... + 905047.

It is an arithmetic number, because the mean of its divisors is an integer number (13357030016).

Almost surely, 2^266426135632 is an apocalyptic number.

It is an amenable number.

266426135632 is an abundant number, since it is smaller than the sum of its proper divisors (267855065008).

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

266426135632 is a wasteful number, since it uses less digits than its factorization.

266426135632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440491 (or 1440485 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 46.

The spelling of 266426135632 in words is "two hundred sixty-six billion, four hundred twenty-six million, one hundred thirty-five thousand, six hundred thirty-two".