40500215 has 24 divisors (see below), whose sum is σ = 57620160. Its totient is φ = 27238848.

The previous prime is 40500209. The next prime is 40500241. The reversal of 40500215 is 51200504.

It is not a de Polignac number, because 40500215 - 2⁴ = 40500199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40500193 and 40500202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11426 + ... + 14544.

It is an arithmetic number, because the mean of its divisors is an integer number (2400840).

Almost surely, 2^40500215 is an apocalyptic number.

40500215 is a deficient number, since it is larger than the sum of its proper divisors (17119945).

40500215 is a wasteful number, since it uses less digits than its factorization.

40500215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191 (or 3184 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 40500215 is about 6363.9779226518. The cubic root of 40500215 is about 343.4148804527.

Adding to 40500215 its reverse (51200504), we get a palindrome (91700719).

The spelling of 40500215 in words is "forty million, five hundred thousand, two hundred fifteen".