40041149 has 4 divisors (see below), whose sum is σ = 40055964. Its totient is φ = 40026336.

The previous prime is 40041121. The next prime is 40041163. The reversal of 40041149 is 94114004.

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 19201924 + 20839225 = 4382^2 + 4565^2 .

It is a cyclic number.

It is not a de Polignac number, because 40041149 - 2⁸ = 40040893 is a prime.

It is a super-2 number, since 2×40041149² = 3206587226480402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072 + ... + 9185.

It is an arithmetic number, because the mean of its divisors is an integer number (10013991).

Almost surely, 2^40041149 is an apocalyptic number.

It is an amenable number.

40041149 is a deficient number, since it is larger than the sum of its proper divisors (14815).

40041149 is a wasteful number, since it uses less digits than its factorization.

40041149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14814.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 40041149 is about 6327.8075982128. The cubic root of 40041149 is about 342.1124221448.

The spelling of 40041149 in words is "forty million, forty-one thousand, one hundred forty-nine".