40481445 has 16 divisors (see below), whose sum is σ = 65246400. Its totient is φ = 21431424.

The previous prime is 40481423. The next prime is 40481503. The reversal of 40481445 is 54418404.

40481445 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 40481445 - 2⁹ = 40480933 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7795 + ... + 11904.

It is an arithmetic number, because the mean of its divisors is an integer number (4077900).

Almost surely, 2^40481445 is an apocalyptic number.

It is an amenable number.

40481445 is a deficient number, since it is larger than the sum of its proper divisors (24764955).

40481445 is a wasteful number, since it uses less digits than its factorization.

40481445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19844.

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 40481445 is about 6362.5030451859. The cubic root of 40481445 is about 343.3618198837.

Adding to 40481445 its reverse (54418404), we get a palindrome (94899849).

The spelling of 40481445 in words is "forty million, four hundred eighty-one thousand, four hundred forty-five".