40115038 has 4 divisors (see below), whose sum is σ = 60172560. Its totient is φ = 20057518.

The previous prime is 40114981. The next prime is 40115039. The reversal of 40115038 is 83051104.

40115038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40115039) 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 as a sum of consecutive naturals, namely, 10028758 + ... + 10028761.

It is an arithmetic number, because the mean of its divisors is an integer number (15043140).

Almost surely, 2^40115038 is an apocalyptic number.

40115038 is a deficient number, since it is larger than the sum of its proper divisors (20057522).

40115038 is a wasteful number, since it uses less digits than its factorization.

40115038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20057521.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 40115038 is about 6333.6433432899. The cubic root of 40115038 is about 342.3227292279.

The spelling of 40115038 in words is "forty million, one hundred fifteen thousand, thirty-eight".