40113615 has 8 divisors (see below), whose sum is σ = 64181808. Its totient is φ = 21393920.

The previous prime is 40113589. The next prime is 40113643. The reversal of 40113615 is 51631104.

40113615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40113615 - 2⁷ = 40113487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40113591 and 40113600.

It is a congruent number.

It is an unprimeable number.

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, 1337106 + ... + 1337135.

It is an arithmetic number, because the mean of its divisors is an integer number (8022726).

Almost surely, 2^40113615 is an apocalyptic number.

40113615 is a deficient number, since it is larger than the sum of its proper divisors (24068193).

40113615 is a wasteful number, since it uses less digits than its factorization.

40113615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674249.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 40113615 is about 6333.5310056871. The cubic root of 40113615 is about 342.3186814441.

Adding to 40113615 its reverse (51631104), we get a palindrome (91744719).

It can be divided in two parts, 4011 and 3615, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 40113615 in words is "forty million, one hundred thirteen thousand, six hundred fifteen".