40441215 has 48 divisors (see below), whose sum is σ = 72501120. Its totient is φ = 19192320.

The previous prime is 40441213. The next prime is 40441217. The reversal of 40441215 is 51214404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40441213) and next prime (40441217).

It is not a de Polignac number, because 40441215 - 2¹ = 40441213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40441191 and 40441200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82120 + ... + 82610.

It is an arithmetic number, because the mean of its divisors is an integer number (1510440).

Almost surely, 2^40441215 is an apocalyptic number.

40441215 is a deficient number, since it is larger than the sum of its proper divisors (32059905).

40441215 is a wasteful number, since it uses less digits than its factorization.

40441215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 40441215 is about 6359.3407677211. The cubic root of 40441215 is about 343.2480391592.

Adding to 40441215 its reverse (51214404), we get a palindrome (91655619).

The spelling of 40441215 in words is "forty million, four hundred forty-one thousand, two hundred fifteen".