40555025 has 24 divisors (see below), whose sum is σ = 60502080. Its totient is φ = 26343360.

The previous prime is 40555019. The next prime is 40555087. The reversal of 40555025 is 52055504.

It is not a de Polignac number, because 40555025 - 2⁶ = 40554961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40554985 and 40555003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2774 + ... + 9423.

It is an arithmetic number, because the mean of its divisors is an integer number (2520920).

Almost surely, 2^40555025 is an apocalyptic number.

It is an amenable number.

40555025 is a deficient number, since it is larger than the sum of its proper divisors (19947055).

40555025 is a wasteful number, since it uses less digits than its factorization.

40555025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12233 (or 12228 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 40555025 is about 6368.2827355575. The cubic root of 40555025 is about 343.5697280665.

The spelling of 40555025 in words is "forty million, five hundred fifty-five thousand, twenty-five".