40788015 has 36 divisors (see below), whose sum is σ = 70047576. Its totient is φ = 20262912.

The previous prime is 40788001. The next prime is 40788017. The reversal of 40788015 is 51088704.

It is a happy number.

40788015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40788015 - 2⁵ = 40787983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40788017) 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 35 ways as a sum of consecutive naturals, for example, 420447 + ... + 420543.

It is an arithmetic number, because the mean of its divisors is an integer number (1945766).

Almost surely, 2^40788015 is an apocalyptic number.

40788015 is a deficient number, since it is larger than the sum of its proper divisors (29259561).

40788015 is an equidigital number, since it uses as much as digits as its factorization.

40788015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 40788015 is about 6386.5495378960. The cubic root of 40788015 is about 344.2264120402.

The spelling of 40788015 in words is "forty million, seven hundred eighty-eight thousand, fifteen".