40255444 has 24 divisors (see below), whose sum is σ = 71751680. Its totient is φ = 19758816.

The previous prime is 40255429. The next prime is 40255447. The reversal of 40255444 is 44455204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40255447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55009 + ... + 55735.

Almost surely, 2^40255444 is an apocalyptic number.

It is an amenable number.

40255444 is a deficient number, since it is larger than the sum of its proper divisors (31496236).

40255444 is a wasteful number, since it uses less digits than its factorization.

40255444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 40255444 is about 6344.7178030232. The cubic root of 40255444 is about 342.7216502651.

The spelling of 40255444 in words is "forty million, two hundred fifty-five thousand, four hundred forty-four".