40412025 has 36 divisors (see below), whose sum is σ = 72747948. Its totient is φ = 21444480.

The previous prime is 40412017. The next prime is 40412027. The reversal of 40412025 is 52021404.

40412025 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 2108304 + 38303721 = 1452^2 + 6189^2 .

It is not a de Polignac number, because 40412025 - 2³ = 40412017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40411989 and 40412007.

It is not an unprimeable number, because it can be changed into a prime (40412027) 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 35 ways as a sum of consecutive naturals, for example, 65619 + ... + 66231.

Almost surely, 2^40412025 is an apocalyptic number.

40412025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40412025 is a deficient number, since it is larger than the sum of its proper divisors (32335923).

40412025 is a wasteful number, since it uses less digits than its factorization.

40412025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40412025 is about 6357.0453042274. The cubic root of 40412025 is about 343.1654351305.

Adding to 40412025 its reverse (52021404), we get a palindrome (92433429).

The spelling of 40412025 in words is "forty million, four hundred twelve thousand, twenty-five".