40611413 has 4 divisors (see below), whose sum is σ = 40637580. Its totient is φ = 40585248.

The previous prime is 40611401. The next prime is 40611449. The reversal of 40611413 is 31411604.

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 26646244 + 13965169 = 5162^2 + 3737^2 .

It is a cyclic number.

It is not a de Polignac number, because 40611413 - 2¹⁰ = 40610389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40611463) 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, 10598 + ... + 13911.

It is an arithmetic number, because the mean of its divisors is an integer number (10159395).

Almost surely, 2^40611413 is an apocalyptic number.

It is an amenable number.

40611413 is a deficient number, since it is larger than the sum of its proper divisors (26167).

40611413 is a wasteful number, since it uses less digits than its factorization.

40611413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26166.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40611413 is about 6372.7084508865. The cubic root of 40611413 is about 343.7288882682.

The spelling of 40611413 in words is "forty million, six hundred eleven thousand, four hundred thirteen".