426660565000266 has 32 divisors (see below), whose sum is σ = 954497908296000. Its totient is φ = 141265690422480.

The previous prime is 426660565000253. The next prime is 426660565000309. The reversal of 426660565000266 is 662000565066624.

It is a super-3 number, since 3×426660565000266³ (a number of 45 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon 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, 26513822740 + ... + 26513838831.

It is an arithmetic number, because the mean of its divisors is an integer number (29828059634250).

Almost surely, 2^{426660565000266} is an apocalyptic number.

426660565000266 is an abundant number, since it is smaller than the sum of its proper divisors (527837343295734).

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

426660565000266 is a wasteful number, since it uses less digits than its factorization.

426660565000266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53027661731 (or 53027661725 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 426660565000266 in words is "four hundred twenty-six trillion, six hundred sixty billion, five hundred sixty-five million, two hundred sixty-six", and thus it is an aban number.