40104025 has 12 divisors (see below), whose sum is σ = 53554732. Its totient is φ = 29615040.

The previous prime is 40104017. The next prime is 40104047. The reversal of 40104025 is 52040104.

40104025 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 6 ways, for example, as 9801 + 40094224 = 99^2 + 6332^2 .

It is not a de Polignac number, because 40104025 - 2³ = 40104017 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 11 ways as a sum of consecutive naturals, for example, 61374 + ... + 62023.

Almost surely, 2^40104025 is an apocalyptic number.

It is an amenable number.

40104025 is a deficient number, since it is larger than the sum of its proper divisors (13450707).

40104025 is a wasteful number, since it uses less digits than its factorization.

40104025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123420 (or 123415 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40104025 is about 6332.7738787991. The cubic root of 40104025 is about 342.2913997859.

Adding to 40104025 its reverse (52040104), we get a palindrome (92144129).

The spelling of 40104025 in words is "forty million, one hundred four thousand, twenty-five".