40330215 has 24 divisors (see below), whose sum is σ = 70060848. Its totient is φ = 21461760.

The previous prime is 40330207. The next prime is 40330231. The reversal of 40330215 is 51203304.

It is not a de Polignac number, because 40330215 - 2³ = 40330207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30447 + ... + 31743.

It is an arithmetic number, because the mean of its divisors is an integer number (2919202).

Almost surely, 2^40330215 is an apocalyptic number.

40330215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40330215 is a deficient number, since it is larger than the sum of its proper divisors (29730633).

40330215 is a wasteful number, since it uses less digits than its factorization.

40330215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40330215 is about 6350.6074512601. The cubic root of 40330215 is about 342.9337109499.

Adding to 40330215 its reverse (51203304), we get a palindrome (91533519).

The spelling of 40330215 in words is "forty million, three hundred thirty thousand, two hundred fifteen".