452513240 has 16 divisors (see below), whose sum is σ = 1018154880. Its totient is φ = 181005280.

The previous prime is 452513239. The next prime is 452513273. The reversal of 452513240 is 42315254.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5656376 + ... + 5656455.

It is an arithmetic number, because the mean of its divisors is an integer number (63634680).

Almost surely, 2^452513240 is an apocalyptic number.

452513240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452513240 is an abundant number, since it is smaller than the sum of its proper divisors (565641640).

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

452513240 is a wasteful number, since it uses less digits than its factorization.

452513240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312842 (or 11312838 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 452513240 is about 21272.3585904337. The cubic root of 452513240 is about 767.7333917975.

Adding to 452513240 its reverse (42315254), we get a palindrome (494828494).

The spelling of 452513240 in words is "four hundred fifty-two million, five hundred thirteen thousand, two hundred forty".