40006113 has 8 divisors (see below), whose sum is σ = 60961728. Its totient is φ = 22860624.

The previous prime is 40006111. The next prime is 40006121. The reversal of 40006113 is 31160004.

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

It is not a de Polignac number, because 40006113 - 2¹ = 40006111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40006092 and 40006101.

It is not an unprimeable number, because it can be changed into a prime (40006111) 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, 952506 + ... + 952547.

It is an arithmetic number, because the mean of its divisors is an integer number (7620216).

Almost surely, 2^40006113 is an apocalyptic number.

It is an amenable number.

40006113 is a deficient number, since it is larger than the sum of its proper divisors (20955615).

40006113 is a wasteful number, since it uses less digits than its factorization.

40006113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905063.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 40006113 is about 6325.0385769575. The cubic root of 40006113 is about 342.0126102529.

Adding to 40006113 its reverse (31160004), we get a palindrome (71166117).

The spelling of 40006113 in words is "forty million, six thousand, one hundred thirteen".