40949085 has 32 divisors (see below), whose sum is σ = 71976960. Its totient is φ = 19787328.

The previous prime is 40948997. The next prime is 40949089. The reversal of 40949085 is 58094904.

It is not a de Polignac number, because 40949085 - 2⁸ = 40948829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40949089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3432 + ... + 9678.

It is an arithmetic number, because the mean of its divisors is an integer number (2249280).

Almost surely, 2^40949085 is an apocalyptic number.

It is an amenable number.

40949085 is a deficient number, since it is larger than the sum of its proper divisors (31027875).

40949085 is a wasteful number, since it uses less digits than its factorization.

40949085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6297.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 40949085 is about 6399.1472088084. The cubic root of 40949085 is about 344.6789283429.

It can be divided in two parts, 409 and 49085, that added together give a palindrome (49494).

The spelling of 40949085 in words is "forty million, nine hundred forty-nine thousand, eighty-five".