452503440 has 60 divisors (see below), whose sum is σ = 1519659804. Its totient is φ = 120667392.

The previous prime is 452503427. The next prime is 452503459. The reversal of 452503440 is 44305254.

It can be written as a sum of positive squares in 2 ways, for example, as 150994944 + 301508496 = 12288^2 + 17364^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313519 + ... + 314958.

Almost surely, 2^452503440 is an apocalyptic number.

452503440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452503440 is an abundant number, since it is smaller than the sum of its proper divisors (1067156364).

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

452503440 is a wasteful number, since it uses less digits than its factorization.

452503440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628496 (or 628487 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 452503440 is about 21272.1282433141. The cubic root of 452503440 is about 767.7278495350.

Adding to 452503440 its reverse (44305254), we get a palindrome (496808694).

The spelling of 452503440 in words is "four hundred fifty-two million, five hundred three thousand, four hundred forty".