4040513613 has 12 divisors (see below), whose sum is σ = 5836858560. Its totient is φ = 2693416776.

The previous prime is 4040513611. The next prime is 4040513623. The reversal of 4040513613 is 3163150404.

4040513613 is a `hidden beast` number, since 4 + 0 + 40 + 5 + 1 + 3 + 613 = 666.

4040513613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4040513613 - 2¹ = 4040513611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040513611) 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, 144508 + ... + 170186.

It is an arithmetic number, because the mean of its divisors is an integer number (486404880).

Almost surely, 2^4040513613 is an apocalyptic number.

It is an amenable number.

4040513613 is a deficient number, since it is larger than the sum of its proper divisors (1796344947).

4040513613 is a wasteful number, since it uses less digits than its factorization.

4040513613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43168 (or 43165 counting only the distinct ones).

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

The square root of 4040513613 is about 63565.0345158405. The cubic root of 4040513613 is about 1592.7423387740.

It can be divided in two parts, 4040 and 513613, that added together give a triangular number (517653 = T₁₀₁₇).

The spelling of 4040513613 in words is "four billion, forty million, five hundred thirteen thousand, six hundred thirteen".