404464505 has 8 divisors (see below), whose sum is σ = 490811400. Its totient is φ = 319935616.

The previous prime is 404464477. The next prime is 404464513. The reversal of 404464505 is 505464404.

It can be written as a sum of positive squares in 4 ways, for example, as 71182969 + 333281536 = 8437^2 + 18256^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 404464505 - 2⁶ = 404464441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454010 + ... + 454899.

It is an arithmetic number, because the mean of its divisors is an integer number (61351425).

Almost surely, 2^404464505 is an apocalyptic number.

It is an amenable number.

404464505 is a deficient number, since it is larger than the sum of its proper divisors (86346895).

404464505 is an equidigital number, since it uses as much as digits as its factorization.

404464505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909003.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 404464505 is about 20111.3029165194. The cubic root of 404464505 is about 739.5373934796.

The spelling of 404464505 in words is "four hundred four million, four hundred sixty-four thousand, five hundred five".