452660409 has 12 divisors (see below), whose sum is σ = 654737200. Its totient is φ = 301360824.

The previous prime is 452660399. The next prime is 452660437. The reversal of 452660409 is 904066254.

452660409 is a `hidden beast` number, since 45 + 2 + 6 + 604 + 0 + 9 = 666.

It is not a de Polignac number, because 452660409 - 2⁷ = 452660281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452660489) 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 11 ways as a sum of consecutive naturals, for example, 27379 + ... + 40680.

Almost surely, 2^452660409 is an apocalyptic number.

It is an amenable number.

452660409 is a deficient number, since it is larger than the sum of its proper divisors (202076791).

452660409 is a wasteful number, since it uses less digits than its factorization.

452660409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68804 (or 68801 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 452660409 is about 21275.8174696062. The cubic root of 452660409 is about 767.8166116897.

The spelling of 452660409 in words is "four hundred fifty-two million, six hundred sixty thousand, four hundred nine".