426242050668 has 144 divisors (see below), whose sum is σ = 1306774909440. Its totient is φ = 114358113792.

The previous prime is 426242050667. The next prime is 426242050687. The reversal of 426242050668 is 866050242624.

426242050668 is a `hidden beast` number, since 4 + 2 + 62 + 4 + 20 + 506 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (426242050667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1767355 + ... + 1993997.

It is an arithmetic number, because the mean of its divisors is an integer number (9074825760).

Almost surely, 2^426242050668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426242050668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653387454720).

426242050668 is an abundant number, since it is smaller than the sum of its proper divisors (880532858772).

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

426242050668 is a wasteful number, since it uses less digits than its factorization.

426242050668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227116 (or 227111 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 426242050668 in words is "four hundred twenty-six billion, two hundred forty-two million, fifty thousand, six hundred sixty-eight".