452120442 has 8 divisors (see below), whose sum is σ = 904240896. Its totient is φ = 150706812.

The previous prime is 452120441. The next prime is 452120479. The reversal of 452120442 is 244021254.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

452120442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (452120441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37676698 + ... + 37676709.

It is an arithmetic number, because the mean of its divisors is an integer number (113030112).

Almost surely, 2^452120442 is an apocalyptic number.

452120442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

452120442 is a wasteful number, since it uses less digits than its factorization.

452120442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75353412.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 452120442 is about 21263.1239943711. The cubic root of 452120442 is about 767.5111872943.

Adding to 452120442 its reverse (244021254), we get a palindrome (696141696).

The spelling of 452120442 in words is "four hundred fifty-two million, one hundred twenty thousand, four hundred forty-two".