452646642 has 64 divisors (see below), whose sum is σ = 1072963584. Its totient is φ = 124613760.

The previous prime is 452646629. The next prime is 452646661. The reversal of 452646642 is 246646254.

It is a self number, because there is not a number n which added to its sum of digits gives 452646642.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 141343 + ... + 144509.

It is an arithmetic number, because the mean of its divisors is an integer number (16765056).

Almost surely, 2^452646642 is an apocalyptic number.

452646642 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 452646642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536481792).

452646642 is an abundant number, since it is smaller than the sum of its proper divisors (620316942).

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

452646642 is a wasteful number, since it uses less digits than its factorization.

452646642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303.

The product of its digits is 276480, while the sum is 39.

The square root of 452646642 is about 21275.4939308116. The cubic root of 452646642 is about 767.8088276067.

The spelling of 452646642 in words is "four hundred fifty-two million, six hundred forty-six thousand, six hundred forty-two".