426573444492 has 72 divisors (see below), whose sum is σ = 1162546912800. Its totient is φ = 131104258560.

The previous prime is 426573444491. The next prime is 426573444527. The reversal of 426573444492 is 294444375624.

426573444492 is a `hidden beast` number, since 4 + 26 + 573 + 4 + 4 + 4 + 49 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (426573444491) 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 23 ways as a sum of consecutive naturals, for example, 104992 + ... + 929607.

It is an arithmetic number, because the mean of its divisors is an integer number (16146484900).

Almost surely, 2^426573444492 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 426573444492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581273456400).

426573444492 is an abundant number, since it is smaller than the sum of its proper divisors (735973468308).

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

426573444492 is a wasteful number, since it uses less digits than its factorization.

426573444492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035503 (or 1035498 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 54.

The spelling of 426573444492 in words is "four hundred twenty-six billion, five hundred seventy-three million, four hundred forty-four thousand, four hundred ninety-two".