426226660220 has 48 divisors (see below), whose sum is σ = 908365301760. Its totient is φ = 167968696896.

The previous prime is 426226660219. The next prime is 426226660271. The reversal of 426226660220 is 22066622624.

It is a congruent 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, 440219 + ... + 1022861.

It is an arithmetic number, because the mean of its divisors is an integer number (18924277120).

Almost surely, 2^426226660220 is an apocalyptic number.

It is an amenable number.

426226660220 is an abundant number, since it is smaller than the sum of its proper divisors (482138641540).

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

426226660220 is a wasteful number, since it uses less digits than its factorization.

426226660220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583194 (or 583192 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 426226660220 in words is "four hundred twenty-six billion, two hundred twenty-six million, six hundred sixty thousand, two hundred twenty".