452320240 has 40 divisors (see below), whose sum is σ = 1052544240. Its totient is φ = 180773376.

The previous prime is 452320229. The next prime is 452320249. The reversal of 452320240 is 42023254.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452320249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156892 + ... + 159748.

It is an arithmetic number, because the mean of its divisors is an integer number (26313606).

Almost surely, 2^452320240 is an apocalyptic number.

452320240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452320240 is an abundant number, since it is smaller than the sum of its proper divisors (600224000).

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

452320240 is a wasteful number, since it uses less digits than its factorization.

452320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849 (or 4843 counting only the distinct ones).

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

The square root of 452320240 is about 21267.8217032210. The cubic root of 452320240 is about 767.6242284243.

Adding to 452320240 its reverse (42023254), we get a palindrome (494343494).

The spelling of 452320240 in words is "four hundred fifty-two million, three hundred twenty thousand, two hundred forty".