40959949 has 2 divisors, whose sum is σ = 40959950. Its totient is φ = 40959948.

The previous prime is 40959931. The next prime is 40959967. The reversal of 40959949 is 94995904.

It is a balanced prime because it is at equal distance from previous prime (40959931) and next prime (40959967).

It can be written as a sum of positive squares in only one way, i.e., 35784324 + 5175625 = 5982^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 40959949 - 2⁹ = 40959437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40959929) 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 as a sum of consecutive naturals, namely, 20479974 + 20479975.

It is an arithmetic number, because the mean of its divisors is an integer number (20479975).

Almost surely, 2^40959949 is an apocalyptic number.

It is an amenable number.

40959949 is a deficient number, since it is larger than the sum of its proper divisors (1).

40959949 is an equidigital number, since it uses as much as digits as its factorization.

40959949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 40959949 is about 6399.9960156238. The cubic root of 40959949 is about 344.7094073371.

The spelling of 40959949 in words is "forty million, nine hundred fifty-nine thousand, nine hundred forty-nine".