40030013 has 8 divisors (see below), whose sum is σ = 40715136. Its totient is φ = 39348400.

The previous prime is 40029989. The next prime is 40030027. The reversal of 40030013 is 31003004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40030013 - 2²⁴ = 23252797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40029976 and 40030003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32120 + ... + 33342.

It is an arithmetic number, because the mean of its divisors is an integer number (5089392).

Almost surely, 2^40030013 is an apocalyptic number.

It is an amenable number.

40030013 is a deficient number, since it is larger than the sum of its proper divisors (685123).

40030013 is a wasteful number, since it uses less digits than its factorization.

40030013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 40030013 is about 6326.9276114082. The cubic root of 40030013 is about 342.0807037978.

Adding to 40030013 its reverse (31003004), we get a palindrome (71033017).

It can be divided in two parts, 4003001 and 3, that added together give a palindrome (4003004).

The spelling of 40030013 in words is "forty million, thirty thousand, thirteen".