4452042 has 48 divisors (see below), whose sum is σ = 10916640. Its totient is φ = 1203552.

The previous prime is 4452017. The next prime is 4452043. The reversal of 4452042 is 2402544.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4452043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5188 + ... + 5984.

It is an arithmetic number, because the mean of its divisors is an integer number (227430).

Almost surely, 2^4452042 is an apocalyptic number.

4452042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4452042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5458320).

4452042 is an abundant number, since it is smaller than the sum of its proper divisors (6464598).

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

4452042 is a wasteful number, since it uses less digits than its factorization.

4452042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4452042 is about 2109.9862558794. The cubic root of 4452042 is about 164.5077708718.

Adding to 4452042 its reverse (2402544), we get a palindrome (6854586).

The spelling of 4452042 in words is "four million, four hundred fifty-two thousand, forty-two".