40844465 has 8 divisors (see below), whose sum is σ = 49053480. Its totient is φ = 32648832.

The previous prime is 40844459. The next prime is 40844467. The reversal of 40844465 is 56444804.

It can be written as a sum of positive squares in 4 ways, for example, as 26946481 + 13897984 = 5191^2 + 3728^2 .

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 40844465 - 2²⁴ = 24067249 is a prime.

It is a super-2 number, since 2×40844465² = 3336540642272450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40844467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5507 + ... + 10583.

It is an arithmetic number, because the mean of its divisors is an integer number (6131685).

Almost surely, 2^40844465 is an apocalyptic number.

It is an amenable number.

40844465 is a deficient number, since it is larger than the sum of its proper divisors (8209015).

40844465 is a wasteful number, since it uses less digits than its factorization.

40844465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691.

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 40844465 is about 6390.9674541496. The cubic root of 40844465 is about 344.3851402313.

The spelling of 40844465 in words is "forty million, eight hundred forty-four thousand, four hundred sixty-five".