42425105220 has 108 divisors (see below), whose sum is σ = 130909566060. Its totient is φ = 11121445248.

The previous prime is 42425105209. The next prime is 42425105231. The reversal of 42425105220 is 2250152424.

42425105220 is a `hidden beast` number, since 4 + 2 + 425 + 10 + 5 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (42425105209) and next prime (42425105231).

It can be written as a sum of positive squares in 2 ways, for example, as 6287855616 + 36137249604 = 79296^2 + 190098^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 592726 + ... + 660434.

Almost surely, 2^42425105220 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 42425105220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65454783030).

42425105220 is an abundant number, since it is smaller than the sum of its proper divisors (88484460840).

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

42425105220 is a wasteful number, since it uses less digits than its factorization.

42425105220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67842 (or 67778 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 42425105220 its reverse (2250152424), we get a palindrome (44675257644).

The spelling of 42425105220 in words is "forty-two billion, four hundred twenty-five million, one hundred five thousand, two hundred twenty".