40441915 has 16 divisors (see below), whose sum is σ = 49968576. Its totient is φ = 31408000.

The previous prime is 40441901. The next prime is 40441931. The reversal of 40441915 is 51914404.

It is not a de Polignac number, because 40441915 - 2⁵ = 40441883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26010 + ... + 27520.

It is an arithmetic number, because the mean of its divisors is an integer number (3123036).

Almost surely, 2^40441915 is an apocalyptic number.

40441915 is a deficient number, since it is larger than the sum of its proper divisors (9526661).

40441915 is a wasteful number, since it uses less digits than its factorization.

40441915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 40441915 is about 6359.3958046343. The cubic root of 40441915 is about 343.2500195831.

The spelling of 40441915 in words is "forty million, four hundred forty-one thousand, nine hundred fifteen".