40516425 has 18 divisors (see below), whose sum is σ = 72569822. Its totient is φ = 21608640.

The previous prime is 40516403. The next prime is 40516481. The reversal of 40516425 is 52461504.

40516425 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 3 ways, for example, as 104976 + 40411449 = 324^2 + 6357^2 .

It is not a de Polignac number, because 40516425 - 2⁶ = 40516361 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 17 ways as a sum of consecutive naturals, for example, 89812 + ... + 90261.

Almost surely, 2^40516425 is an apocalyptic number.

40516425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40516425 is a deficient number, since it is larger than the sum of its proper divisors (32053397).

40516425 is a wasteful number, since it uses less digits than its factorization.

40516425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180089 (or 180081 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40516425 is about 6365.2513697418. The cubic root of 40516425 is about 343.4606910136.

Adding to 40516425 its reverse (52461504), we get a palindrome (92977929).

The spelling of 40516425 in words is "forty million, five hundred sixteen thousand, four hundred twenty-five".