40255250 has 32 divisors (see below), whose sum is σ = 86126976. Its totient is φ = 13801200.

The previous prime is 40255231. The next prime is 40255253. The reversal of 40255250 is 5255204.

40255250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40255253) 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 15 ways as a sum of consecutive naturals, for example, 9752 + ... + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (2691468).

Almost surely, 2^40255250 is an apocalyptic number.

40255250 is an abundant number, since it is smaller than the sum of its proper divisors (45871726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40255250 is a wasteful number, since it uses less digits than its factorization.

40255250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23027 (or 23017 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 40255250 is about 6344.7025146968. The cubic root of 40255250 is about 342.7210997134.

The spelling of 40255250 in words is "forty million, two hundred fifty-five thousand, two hundred fifty".