40555625 has 40 divisors (see below), whose sum is σ = 58706208. Its totient is φ = 27680000.

The previous prime is 40555607. The next prime is 40555637. The reversal of 40555625 is 52655504.

40555625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40555625 - 2¹⁶ = 40490089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40555591 and 40555600.

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 39 ways as a sum of consecutive naturals, for example, 116702 + ... + 117048.

Almost surely, 2^40555625 is an apocalyptic number.

It is an amenable number.

40555625 is a deficient number, since it is larger than the sum of its proper divisors (18150583).

40555625 is a wasteful number, since it uses less digits than its factorization.

40555625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 40555625 is about 6368.3298438445. The cubic root of 40555625 is about 343.5714223968.

The spelling of 40555625 in words is "forty million, five hundred fifty-five thousand, six hundred twenty-five".