40958845 has 8 divisors (see below), whose sum is σ = 49189176. Its totient is φ = 32741376.

The previous prime is 40958807. The next prime is 40958849. The reversal of 40958845 is 54885904.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3663396 + 37295449 = 1914^2 + 6107^2 .

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 40958845 - 2⁷ = 40958717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40958849) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6429 + ... + 11101.

It is an arithmetic number, because the mean of its divisors is an integer number (6148647).

Almost surely, 2^40958845 is an apocalyptic number.

It is an amenable number.

40958845 is a deficient number, since it is larger than the sum of its proper divisors (8230331).

40958845 is a wasteful number, since it uses less digits than its factorization.

40958845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 40958845 is about 6399.9097649889. The cubic root of 40958845 is about 344.7063103069.

The spelling of 40958845 in words is "forty million, nine hundred fifty-eight thousand, eight hundred forty-five".