453664446 has 8 divisors (see below), whose sum is σ = 907328904. Its totient is φ = 151221480.

The previous prime is 453664439. The next prime is 453664483. The reversal of 453664446 is 644466354.

It is a sphenic number, since it is the product of 3 distinct primes.

453664446 is an admirable number.

It is a super-2 number, since 2×453664446² = 411622859128973832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 453664398 and 453664407.

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, 37805365 + ... + 37805376.

It is an arithmetic number, because the mean of its divisors is an integer number (113416113).

Almost surely, 2^453664446 is an apocalyptic number.

453664446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

453664446 is a wasteful number, since it uses less digits than its factorization.

453664446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75610746.

The product of its digits is 829440, while the sum is 42.

The square root of 453664446 is about 21299.4001323981. The cubic root of 453664446 is about 768.3838853667.

The spelling of 453664446 in words is "four hundred fifty-three million, six hundred sixty-four thousand, four hundred forty-six".