426663163050 has 96 divisors (see below), whose sum is σ = 1119648337920. Its totient is φ = 107224113600.

The previous prime is 426663163019. The next prime is 426663163067. The reversal of 426663163050 is 50361366624.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 426663162993 and 426663163011.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152449 + ... + 936251.

It is an arithmetic number, because the mean of its divisors is an integer number (11663003520).

Almost surely, 2^426663163050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426663163050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559824168960).

426663163050 is an abundant number, since it is smaller than the sum of its proper divisors (692985174870).

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

426663163050 is a wasteful number, since it uses less digits than its factorization.

426663163050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784028 (or 784023 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 426663163050 in words is "four hundred twenty-six billion, six hundred sixty-three million, one hundred sixty-three thousand, fifty".