40011849 has 12 divisors (see below), whose sum is σ = 57856500. Its totient is φ = 26646144.

The previous prime is 40011827. The next prime is 40011877. The reversal of 40011849 is 94811004.

It can be written as a sum of positive squares in 2 ways, for example, as 12638025 + 27373824 = 3555^2 + 5232^2 .

It is not a de Polignac number, because 40011849 - 2⁸ = 40011593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40011889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9877 + ... + 13325.

It is an arithmetic number, because the mean of its divisors is an integer number (4821375).

Almost surely, 2^40011849 is an apocalyptic number.

It is an amenable number.

40011849 is a deficient number, since it is larger than the sum of its proper divisors (17844651).

40011849 is a wasteful number, since it uses less digits than its factorization.

40011849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744 (or 4741 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 40011849 is about 6325.4919966750. The cubic root of 40011849 is about 342.0289551765.

The spelling of 40011849 in words is "forty million, eleven thousand, eight hundred forty-nine".