42421241412 has 108 divisors (see below), whose sum is σ = 121930705260. Its totient is φ = 12411611520.

The previous prime is 42421241353. The next prime is 42421241417. The reversal of 42421241412 is 21414212424.

42421241412 is a `hidden beast` number, since 4 + 2 + 4 + 2 + 1 + 241 + 412 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15543606276 + 26877635136 = 124674^2 + 163944^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42421241417) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41583 + ... + 294230.

Almost surely, 2^42421241412 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 42421241412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60965352630).

42421241412 is an abundant number, since it is smaller than the sum of its proper divisors (79509463848).

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

42421241412 is a wasteful number, since it uses less digits than its factorization.

42421241412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335874 (or 335858 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

Adding to 42421241412 its reverse (21414212424), we get a palindrome (63835453836).

The spelling of 42421241412 in words is "forty-two billion, four hundred twenty-one million, two hundred forty-one thousand, four hundred twelve".