452521412 has 72 divisors (see below), whose sum is σ = 957282816. Its totient is φ = 183325824.

The previous prime is 452521409. The next prime is 452521441. The reversal of 452521412 is 214125254.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2029133 + ... + 2029355.

Almost surely, 2^452521412 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 452521412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478641408).

452521412 is an abundant number, since it is smaller than the sum of its proper divisors (504761404).

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

452521412 is a wasteful number, since it uses less digits than its factorization.

452521412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 392 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 452521412 is about 21272.5506698186. The cubic root of 452521412 is about 767.7380133047.

Adding to 452521412 its reverse (214125254), we get a palindrome (666646666).

It can be divided in two parts, 45252 and 1412, that added together give a palindrome (46664).

The spelling of 452521412 in words is "four hundred fifty-two million, five hundred twenty-one thousand, four hundred twelve".