452251636 has 24 divisors (see below), whose sum is σ = 827192520. Its totient is φ = 216072192.

The previous prime is 452251633. The next prime is 452251637. The reversal of 452251636 is 636152254.

It can be written as a sum of positive squares in 4 ways, for example, as 24010000 + 428241636 = 4900^2 + 20694^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452251633) 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 7 ways as a sum of consecutive naturals, for example, 8845 + ... + 31348.

It is an arithmetic number, because the mean of its divisors is an integer number (34466355).

Almost surely, 2^452251636 is an apocalyptic number.

It is an amenable number.

452251636 is a deficient number, since it is larger than the sum of its proper divisors (374940884).

452251636 is a wasteful number, since it uses less digits than its factorization.

452251636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40323 (or 40321 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 452251636 is about 21266.2087829495. The cubic root of 452251636 is about 767.5854176065.

The spelling of 452251636 in words is "four hundred fifty-two million, two hundred fifty-one thousand, six hundred thirty-six".