42401112 has 64 divisors (see below), whose sum is σ = 117274080. Its totient is φ = 12690432.

The previous prime is 42401081. The next prime is 42401119. The reversal of 42401112 is 21110424.

It is a junction number, because it is equal to n+sod(n) for n = 42401091 and 42401100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42401119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9708 + ... + 13380.

Almost surely, 2^42401112 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 42401112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58637040).

42401112 is an abundant number, since it is smaller than the sum of its proper divisors (74872968).

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

42401112 is a wasteful number, since it uses less digits than its factorization.

42401112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 42401112 is about 6511.6136249013. The cubic root of 42401112 is about 348.7057286335.

Adding to 42401112 its reverse (21110424), we get a palindrome (63511536).

The spelling of 42401112 in words is "forty-two million, four hundred one thousand, one hundred twelve".