40849955 has 16 divisors (see below), whose sum is σ = 51672384. Its totient is φ = 30940800.

The previous prime is 40849937. The next prime is 40849969. The reversal of 40849955 is 55994804.

40849955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-40849955 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9857 + ... + 13373.

It is an arithmetic number, because the mean of its divisors is an integer number (3229524).

Almost surely, 2^40849955 is an apocalyptic number.

40849955 is a deficient number, since it is larger than the sum of its proper divisors (10822429).

40849955 is a wasteful number, since it uses less digits than its factorization.

40849955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 40849955 is about 6391.3969521537. The cubic root of 40849955 is about 344.4005694105.

The spelling of 40849955 in words is "forty million, eight hundred forty-nine thousand, nine hundred fifty-five".