40152215 has 24 divisors (see below), whose sum is σ = 52636992. Its totient is φ = 29376000.

The previous prime is 40152199. The next prime is 40152251. The reversal of 40152215 is 51225104.

40152215 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 40152215 - 2⁴ = 40152199 is a prime.

It is a super-2 number, since 2×40152215² = 3224400738812450, which contains 22 as substring.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 53090 + ... + 53840.

It is an arithmetic number, because the mean of its divisors is an integer number (2193208).

Almost surely, 2^40152215 is an apocalyptic number.

40152215 is a deficient number, since it is larger than the sum of its proper divisors (12484777).

40152215 is a wasteful number, since it uses less digits than its factorization.

40152215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 810 counting only the distinct ones).

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

The square root of 40152215 is about 6336.5775462784. The cubic root of 40152215 is about 342.4284468779.

Adding to 40152215 its reverse (51225104), we get a palindrome (91377319).

The spelling of 40152215 in words is "forty million, one hundred fifty-two thousand, two hundred fifteen".