426206420266 has 64 divisors (see below), whose sum is σ = 743175492480. Its totient is φ = 181170165760.

The previous prime is 426206420201. The next prime is 426206420267. The reversal of 426206420266 is 662024602624.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (426206420267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144133260 + ... + 144136216.

It is an arithmetic number, because the mean of its divisors is an integer number (11612117070).

Almost surely, 2^426206420266 is an apocalyptic number.

426206420266 is a deficient number, since it is larger than the sum of its proper divisors (316969072214).

426206420266 is a wasteful number, since it uses less digits than its factorization.

426206420266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 426206420266 in words is "four hundred twenty-six billion, two hundred six million, four hundred twenty thousand, two hundred sixty-six".