40441408 has 28 divisors (see below), whose sum is σ = 91716352. Its totient is φ = 17331840.

The previous prime is 40441393. The next prime is 40441409. The reversal of 40441408 is 80414404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (40441409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44688 + ... + 45583.

It is an arithmetic number, because the mean of its divisors is an integer number (3275584).

Almost surely, 2^40441408 is an apocalyptic number.

It is an amenable number.

40441408 is an abundant number, since it is smaller than the sum of its proper divisors (51274944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40441408 is an equidigital number, since it uses as much as digits as its factorization.

40441408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90290 (or 90280 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 40441408 is about 6359.3559422319. The cubic root of 40441408 is about 343.2485851927.

The spelling of 40441408 in words is "forty million, four hundred forty-one thousand, four hundred eight".