453521040 has 80 divisors (see below), whose sum is σ = 1606766208. Its totient is φ = 103661568.

The previous prime is 453521039. The next prime is 453521071. The reversal of 453521040 is 40125354.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 453521040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133297 + ... + 136656.

Almost surely, 2^453521040 is an apocalyptic number.

453521040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

453521040 is an abundant number, since it is smaller than the sum of its proper divisors (1153245168).

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

453521040 is a wasteful number, since it uses less digits than its factorization.

453521040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269976 (or 269970 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 453521040 is about 21296.0334334824. The cubic root of 453521040 is about 768.3029132788.

Adding to 453521040 its reverse (40125354), we get a palindrome (493646394).

The spelling of 453521040 in words is "four hundred fifty-three million, five hundred twenty-one thousand, forty".