452081232 has 90 divisors (see below), whose sum is σ = 1310682542. Its totient is φ = 145458432.

The previous prime is 452081183. The next prime is 452081233. The reversal of 452081232 is 232180254.

It can be written as a sum of positive squares in 3 ways, for example, as 82519056 + 369562176 = 9084^2 + 19224^2 .

It is a junction number, because it is equal to n+sod(n) for n = 452081196 and 452081205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452081233) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 119238 + ... + 122970.

Almost surely, 2^452081232 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 452081232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655341271).

452081232 is an abundant number, since it is smaller than the sum of its proper divisors (858601310).

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

452081232 is a wasteful number, since it uses less digits than its factorization.

452081232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805 (or 3767 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 452081232 is about 21262.2019555831. The cubic root of 452081232 is about 767.4889992658.

The spelling of 452081232 in words is "four hundred fifty-two million, eighty-one thousand, two hundred thirty-two".