426122534250 has 384 divisors, whose sum is σ = 1380123763200. Its totient is φ = 94760668800.

The previous prime is 426122534207. The next prime is 426122534251. The reversal of 426122534250 is 52435221624.

426122534250 is a `hidden beast` number, since 4 + 2 + 6 + 1 + 225 + 3 + 425 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (426122534251) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 28547289 + ... + 28562211.

It is an arithmetic number, because the mean of its divisors is an integer number (3594072300).

Almost surely, 2^426122534250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426122534250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690061881600).

426122534250 is an abundant number, since it is smaller than the sum of its proper divisors (954001228950).

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

426122534250 is a wasteful number, since it uses less digits than its factorization.

426122534250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004 (or 14977 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 426122534250 its reverse (52435221624), we get a palindrome (478557755874).

The spelling of 426122534250 in words is "four hundred twenty-six billion, one hundred twenty-two million, five hundred thirty-four thousand, two hundred fifty".