426245566 has 8 divisors (see below), whose sum is σ = 641201400. Its totient is φ = 212511768.

The previous prime is 426245549. The next prime is 426245569. The reversal of 426245566 is 665542624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426245569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304636 + ... + 306031.

It is an arithmetic number, because the mean of its divisors is an integer number (80150175).

Almost surely, 2^426245566 is an apocalyptic number.

426245566 is a deficient number, since it is larger than the sum of its proper divisors (214955834).

426245566 is a wasteful number, since it uses less digits than its factorization.

426245566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611018.

The product of its digits is 345600, while the sum is 40.

The square root of 426245566 is about 20645.7154392867. The cubic root of 426245566 is about 752.5810722687.

The spelling of 426245566 in words is "four hundred twenty-six million, two hundred forty-five thousand, five hundred sixty-six".