40444575 has 12 divisors (see below), whose sum is σ = 66868488. Its totient is φ = 21570400.

The previous prime is 40444567. The next prime is 40444577. The reversal of 40444575 is 57544404.

40444575 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 40444575 - 2³ = 40444567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444577) 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 11 ways as a sum of consecutive naturals, for example, 269556 + ... + 269705.

It is an arithmetic number, because the mean of its divisors is an integer number (5572374).

Almost surely, 2^40444575 is an apocalyptic number.

40444575 is a deficient number, since it is larger than the sum of its proper divisors (26423913).

40444575 is a wasteful number, since it uses less digits than its factorization.

40444575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539274 (or 539269 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 40444575 is about 6359.6049405604. The cubic root of 40444575 is about 343.2575449854.

Adding to 40444575 its reverse (57544404), we get a palindrome (97988979).

The spelling of 40444575 in words is "forty million, four hundred forty-four thousand, five hundred seventy-five".