40252115 has 8 divisors (see below), whose sum is σ = 49608240. Its totient is φ = 31331232.

The previous prime is 40252109. The next prime is 40252123. The reversal of 40252115 is 51125204.

40252115 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 a cyclic number.

It is not a de Polignac number, because 40252115 - 2⁸ = 40251859 is a prime.

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, 108605 + ... + 108974.

It is an arithmetic number, because the mean of its divisors is an integer number (6201030).

Almost surely, 2^40252115 is an apocalyptic number.

40252115 is a deficient number, since it is larger than the sum of its proper divisors (9356125).

40252115 is a wasteful number, since it uses less digits than its factorization.

40252115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217621.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 40252115 is about 6344.4554533861. The cubic root of 40252115 is about 342.7122026665.

Adding to 40252115 its reverse (51125204), we get a palindrome (91377319).

The spelling of 40252115 in words is "forty million, two hundred fifty-two thousand, one hundred fifteen".