40845625 has 10 divisors (see below), whose sum is σ = 51041474. Its totient is φ = 32676000.

The previous prime is 40845593. The next prime is 40845643. The reversal of 40845625 is 52654804.

40845625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 7817616 + 33028009 = 2796^2 + 5747^2 .

It is not a de Polignac number, because 40845625 - 2⁵ = 40845593 is a prime.

It is a Duffinian 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 9 ways as a sum of consecutive naturals, for example, 32052 + ... + 33301.

Almost surely, 2^40845625 is an apocalyptic number.

It is an amenable number.

40845625 is a deficient number, since it is larger than the sum of its proper divisors (10195849).

40845625 is an frugal number, since it uses more digits than its factorization.

40845625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65373 (or 65358 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 40845625 is about 6391.0582065883. The cubic root of 40845625 is about 344.3884004280.

The spelling of 40845625 in words is "forty million, eight hundred forty-five thousand, six hundred twenty-five".