40479625 has 8 divisors (see below), whose sum is σ = 50518728. Its totient is φ = 32383600.

The previous prime is 40479619. The next prime is 40479667. The reversal of 40479625 is 52697404.

40479625 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 4 ways, for example, as 233289 + 40246336 = 483^2 + 6344^2 .

It is not a de Polignac number, because 40479625 - 2³ = 40479617 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 161794 + ... + 162043.

It is an arithmetic number, because the mean of its divisors is an integer number (6314841).

Almost surely, 2^40479625 is an apocalyptic number.

It is an amenable number.

40479625 is a deficient number, since it is larger than the sum of its proper divisors (10039103).

40479625 is an equidigital number, since it uses as much as digits as its factorization.

40479625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323852 (or 323842 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 40479625 is about 6362.3600181065. The cubic root of 40479625 is about 343.3566740869.

The spelling of 40479625 in words is "forty million, four hundred seventy-nine thousand, six hundred twenty-five".