40444115 has 8 divisors (see below), whose sum is σ = 48785568. Its totient is φ = 32186880.

The previous prime is 40444099. The next prime is 40444127. The reversal of 40444115 is 51144404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40444115 - 2⁴ = 40444099 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 19991 + ... + 21920.

It is an arithmetic number, because the mean of its divisors is an integer number (6098196).

Almost surely, 2^40444115 is an apocalyptic number.

40444115 is a deficient number, since it is larger than the sum of its proper divisors (8341453).

40444115 is a wasteful number, since it uses less digits than its factorization.

40444115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42109.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 40444115 is about 6359.5687746891. The cubic root of 40444115 is about 343.2562436236.

Adding to 40444115 its reverse (51144404), we get a palindrome (91588519).

The spelling of 40444115 in words is "forty million, four hundred forty-four thousand, one hundred fifteen".