40115630 has 16 divisors (see below), whose sum is σ = 73970064. Its totient is φ = 15654720.

The previous prime is 40115627. The next prime is 40115633. The reversal of 40115630 is 3651104.

40115630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40115627) and next prime (40115633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40115633) 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 7 ways as a sum of consecutive naturals, for example, 48512 + ... + 49331.

It is an arithmetic number, because the mean of its divisors is an integer number (4623129).

Almost surely, 2^40115630 is an apocalyptic number.

40115630 is a deficient number, since it is larger than the sum of its proper divisors (33854434).

40115630 is a wasteful number, since it uses less digits than its factorization.

40115630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97891.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40115630 is about 6333.6900776719. The cubic root of 40115630 is about 342.3244131688.

Adding to 40115630 its reverse (3651104), we get a palindrome (43766734).

The spelling of 40115630 in words is "forty million, one hundred fifteen thousand, six hundred thirty".