40909850 has 24 divisors (see below), whose sum is σ = 80099040. Its totient is φ = 15502320.

The previous prime is 40909819. The next prime is 40909867. The reversal of 40909850 is 5890904.

It is a self number, because there is not a number n which added to its sum of digits gives 40909850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20582 + ... + 22481.

It is an arithmetic number, because the mean of its divisors is an integer number (3337460).

Almost surely, 2^40909850 is an apocalyptic number.

40909850 is a deficient number, since it is larger than the sum of its proper divisors (39189190).

40909850 is a wasteful number, since it uses less digits than its factorization.

40909850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43094 (or 43089 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 40909850 is about 6396.0808312591. The cubic root of 40909850 is about 344.5688094869.

The spelling of 40909850 in words is "forty million, nine hundred nine thousand, eight hundred fifty".