266104327040 has 64 divisors (see below), whose sum is σ = 651671712720. Its totient is φ = 103845580800.

The previous prime is 266104326973. The next prime is 266104327057. The reversal of 266104327040 is 40723401662.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×266104327040³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 5044346 + ... + 5096825.

Almost surely, 2^266104327040 is an apocalyptic number.

266104327040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266104327040 is an abundant number, since it is smaller than the sum of its proper divisors (385567385680).

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

266104327040 is a wasteful number, since it uses less digits than its factorization.

266104327040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141231 (or 10141219 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 266104327040 in words is "two hundred sixty-six billion, one hundred four million, three hundred twenty-seven thousand, forty".