40322115 has 12 divisors (see below), whose sum is σ = 69891744. Its totient is φ = 21505104.

The previous prime is 40322101. The next prime is 40322137. The reversal of 40322115 is 51122304.

It is not a de Polignac number, because 40322115 - 2¹¹ = 40320067 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447979 + ... + 448068.

It is an arithmetic number, because the mean of its divisors is an integer number (5824312).

Almost surely, 2^40322115 is an apocalyptic number.

40322115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40322115 is a deficient number, since it is larger than the sum of its proper divisors (29569629).

40322115 is a wasteful number, since it uses less digits than its factorization.

40322115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896058 (or 896055 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40322115 is about 6349.9696849670. The cubic root of 40322115 is about 342.9107509182.

Adding to 40322115 its reverse (51122304), we get a palindrome (91444419).

The spelling of 40322115 in words is "forty million, three hundred twenty-two thousand, one hundred fifteen".