40652613 has 12 divisors (see below), whose sum is σ = 58787820. Its totient is φ = 27070656.

The previous prime is 40652581. The next prime is 40652621. The reversal of 40652613 is 31625604.

40652613 is a `hidden beast` number, since 4 + 0 + 652 + 6 + 1 + 3 = 666.

40652613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 38526849 = 1458^2 + 6207^2 .

It is not a de Polignac number, because 40652613 - 2⁵ = 40652581 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 (40652663) 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 11 ways as a sum of consecutive naturals, for example, 7945 + ... + 12017.

It is an arithmetic number, because the mean of its divisors is an integer number (4898985).

Almost surely, 2^40652613 is an apocalyptic number.

It is an amenable number.

40652613 is a deficient number, since it is larger than the sum of its proper divisors (18135207).

40652613 is a wasteful number, since it uses less digits than its factorization.

40652613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188 (or 5185 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40652613 is about 6375.9401659677. The cubic root of 40652613 is about 343.8450858498.

It can be divided in two parts, 40 and 652613, that added together give a triangular number (652653 = T₁₁₄₂).

The spelling of 40652613 in words is "forty million, six hundred fifty-two thousand, six hundred thirteen".