42253112 has 64 divisors (see below), whose sum is σ = 93571200. Its totient is φ = 17677440.

The previous prime is 42253097. The next prime is 42253153. The reversal of 42253112 is 21135224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61523 + ... + 62205.

It is an arithmetic number, because the mean of its divisors is an integer number (1462050).

Almost surely, 2^42253112 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 42253112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46785600).

42253112 is an abundant number, since it is smaller than the sum of its proper divisors (51318088).

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

42253112 is a wasteful number, since it uses less digits than its factorization.

42253112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 752 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 42253112 is about 6500.2393802075. The cubic root of 42253112 is about 348.2995395180.

Adding to 42253112 its reverse (21135224), we get a palindrome (63388336).

It can be divided in two parts, 4225 and 3112, that added together give a palindrome (7337).

The spelling of 42253112 in words is "forty-two million, two hundred fifty-three thousand, one hundred twelve".