40441291 has 32 divisors (see below), whose sum is σ = 49766400. Its totient is φ = 32424480.

The previous prime is 40441277. The next prime is 40441327. The reversal of 40441291 is 19214404.

40441291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40441291 - 2¹⁵ = 40408523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40441201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225840 + ... + 226018.

It is an arithmetic number, because the mean of its divisors is an integer number (1555200).

Almost surely, 2^40441291 is an apocalyptic number.

40441291 is a deficient number, since it is larger than the sum of its proper divisors (9325109).

40441291 is a wasteful number, since it uses less digits than its factorization.

40441291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 40441291 is about 6359.3467431805. The cubic root of 40441291 is about 343.2482541778.

Adding to 40441291 its reverse (19214404), we get a palindrome (59655695).

It can be divided in two parts, 4044 and 1291, that added together give a palindrome (5335).

The spelling of 40441291 in words is "forty million, four hundred forty-one thousand, two hundred ninety-one".