40098625 has 16 divisors (see below), whose sum is σ = 57193344. Its totient is φ = 27495600.

The previous prime is 40098623. The next prime is 40098647. The reversal of 40098625 is 52689004.

It is a happy number.

40098625 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 40098625 - 2¹ = 40098623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40098623) 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 15 ways as a sum of consecutive naturals, for example, 22039 + ... + 23788.

It is an arithmetic number, because the mean of its divisors is an integer number (3574584).

Almost surely, 2^40098625 is an apocalyptic number.

It is an amenable number.

40098625 is a deficient number, since it is larger than the sum of its proper divisors (17094719).

40098625 is an equidigital number, since it uses as much as digits as its factorization.

40098625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45849 (or 45839 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 40098625 is about 6332.3475109946. The cubic root of 40098625 is about 342.2760359371.

The spelling of 40098625 in words is "forty million, ninety-eight thousand, six hundred twenty-five".