452021232 has 40 divisors (see below), whose sum is σ = 1257547984. Its totient is φ = 139083264.

The previous prime is 452021201. The next prime is 452021239. The reversal of 452021232 is 232120254.

It is a junction number, because it is equal to n+sod(n) for n = 452021199 and 452021208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452021239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361573 + ... + 362820.

Almost surely, 2^452021232 is an apocalyptic number.

It is an amenable number.

452021232 is an abundant number, since it is smaller than the sum of its proper divisors (805526752).

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

452021232 is a wasteful number, since it uses less digits than its factorization.

452021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724417 (or 724411 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 452021232 is about 21260.7909542425. The cubic root of 452021232 is about 767.4550441754.

Adding to 452021232 its reverse (232120254), we get a palindrome (684141486).

It can be divided in two parts, 4520 and 21232, that added together give a palindrome (25752).

The spelling of 452021232 in words is "four hundred fifty-two million, twenty-one thousand, two hundred thirty-two".