40089025 has 12 divisors (see below), whose sum is σ = 50554800. Its totient is φ = 31526480.

The previous prime is 40089011. The next prime is 40089037. The reversal of 40089025 is 52098004.

It is a happy number.

40089025 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 40089025 - 2¹⁹ = 39564737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40088984 and 40089002.

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 11 ways as a sum of consecutive naturals, for example, 12115 + ... + 15064.

It is an arithmetic number, because the mean of its divisors is an integer number (4212900).

Almost surely, 2^40089025 is an apocalyptic number.

It is an amenable number.

40089025 is a deficient number, since it is larger than the sum of its proper divisors (10465775).

40089025 is a wasteful number, since it uses less digits than its factorization.

40089025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27248 (or 27243 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 40089025 is about 6331.5894528941. The cubic root of 40089025 is about 342.2487190220.

The spelling of 40089025 in words is "forty million, eighty-nine thousand, twenty-five".