452969680 has 20 divisors (see below), whose sum is σ = 1053154692. Its totient is φ = 181187840.

The previous prime is 452969677. The next prime is 452969687. The reversal of 452969680 is 86969254.

It can be written as a sum of positive squares in 2 ways, for example, as 244109376 + 208860304 = 15624^2 + 14452^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452969687) by changing a digit.

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, 2830981 + ... + 2831140.

Almost surely, 2^452969680 is an apocalyptic number.

452969680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452969680 is an abundant number, since it is smaller than the sum of its proper divisors (600185012).

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

452969680 is a wasteful number, since it uses less digits than its factorization.

452969680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5662134 (or 5662128 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 452969680 is about 21283.0843629395. The cubic root of 452969680 is about 767.9914368982.

The spelling of 452969680 in words is "four hundred fifty-two million, nine hundred sixty-nine thousand, six hundred eighty".