40844065 has 8 divisors (see below), whose sum is σ = 49068288. Its totient is φ = 32638320.

The previous prime is 40844059. The next prime is 40844101. The reversal of 40844065 is 56044804.

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

It is not a de Polignac number, because 40844065 - 2³ = 40844057 is a prime.

It is a Duffinian number.

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, 834 + ... + 9076.

It is an arithmetic number, because the mean of its divisors is an integer number (6133536).

Almost surely, 2^40844065 is an apocalyptic number.

It is an amenable number.

40844065 is a deficient number, since it is larger than the sum of its proper divisors (8224223).

40844065 is an equidigital number, since it uses as much as digits as its factorization.

40844065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9239.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 40844065 is about 6390.9361599065. The cubic root of 40844065 is about 344.3840160112.

Adding to 40844065 its reverse (56044804), we get a palindrome (96888869).

The spelling of 40844065 in words is "forty million, eight hundred forty-four thousand, sixty-five".