445096809 has 32 divisors (see below), whose sum is σ = 682992000. Its totient is φ = 286303680.

The previous prime is 445096807. The next prime is 445096829. The reversal of 445096809 is 908690544.

It is a happy number.

It is not a de Polignac number, because 445096809 - 2¹ = 445096807 is a prime.

It is a super-2 number, since 2×445096809² = 396222338763964962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445096807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84742 + ... + 89840.

It is an arithmetic number, because the mean of its divisors is an integer number (21343500).

Almost surely, 2^445096809 is an apocalyptic number.

It is an amenable number.

445096809 is a deficient number, since it is larger than the sum of its proper divisors (237895191).

445096809 is a wasteful number, since it uses less digits than its factorization.

445096809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222 (or 5216 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 445096809 is about 21097.3175783084. The cubic root of 445096809 is about 763.5160313292.

The spelling of 445096809 in words is "four hundred forty-five million, ninety-six thousand, eight hundred nine".