452240320 has 56 divisors (see below), whose sum is σ = 1230745824. Its totient is φ = 155053056.

The previous prime is 452240317. The next prime is 452240323. The reversal of 452240320 is 23042254.

It is an interprime number because it is at equal distance from previous prime (452240317) and next prime (452240323).

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 452240291 and 452240300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452240323) 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, 98707 + ... + 103186.

It is an arithmetic number, because the mean of its divisors is an integer number (21977604).

Almost surely, 2^452240320 is an apocalyptic number.

452240320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452240320 is an abundant number, since it is smaller than the sum of its proper divisors (778505504).

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

452240320 is a wasteful number, since it uses less digits than its factorization.

452240320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201917 (or 201907 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 452240320 is about 21265.9427254002. The cubic root of 452240320 is about 767.5790155150.

Adding to 452240320 its reverse (23042254), we get a palindrome (475282574).

The spelling of 452240320 in words is "four hundred fifty-two million, two hundred forty thousand, three hundred twenty".