40036049 has 4 divisors (see below), whose sum is σ = 41012580. Its totient is φ = 39059520.

The previous prime is 40036019. The next prime is 40036081. The reversal of 40036049 is 94063004.

40036049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 748225 + 39287824 = 865^2 + 6268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40036049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40036019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 488204 + ... + 488285.

It is an arithmetic number, because the mean of its divisors is an integer number (10253145).

Almost surely, 2^40036049 is an apocalyptic number.

It is an amenable number.

40036049 is a deficient number, since it is larger than the sum of its proper divisors (976531).

40036049 is an equidigital number, since it uses as much as digits as its factorization.

40036049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976530.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 40036049 is about 6327.4046022046. The cubic root of 40036049 is about 342.0978966922.

The spelling of 40036049 in words is "forty million, thirty-six thousand, forty-nine".