452402240 has 56 divisors (see below), whose sum is σ = 1081671192. Its totient is φ = 180224000.

The previous prime is 452402239. The next prime is 452402257. The reversal of 452402240 is 42204254.

It can be written as a sum of positive squares in 4 ways, for example, as 310887424 + 141514816 = 17632^2 + 11896^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79490 + ... + 84990.

It is an arithmetic number, because the mean of its divisors is an integer number (19315557).

Almost surely, 2^452402240 is an apocalyptic number.

452402240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540835596).

452402240 is an abundant number, since it is smaller than the sum of its proper divisors (629268952).

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

452402240 is a wasteful number, since it uses less digits than its factorization.

452402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775 (or 5765 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 452402240 is about 21269.7494108417. The cubic root of 452402240 is about 767.6706125108.

Adding to 452402240 its reverse (42204254), we get a palindrome (494606494).

The spelling of 452402240 in words is "four hundred fifty-two million, four hundred two thousand, two hundred forty".