40255205 has 16 divisors (see below), whose sum is σ = 52492800. Its totient is φ = 29522880.

The previous prime is 40255199. The next prime is 40255207. The reversal of 40255205 is 50255204.

It is not a de Polignac number, because 40255205 - 2²² = 36060901 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40255207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3890 + ... + 9779.

It is an arithmetic number, because the mean of its divisors is an integer number (3280800).

Almost surely, 2^40255205 is an apocalyptic number.

It is an amenable number.

40255205 is a deficient number, since it is larger than the sum of its proper divisors (12237595).

40255205 is a wasteful number, since it uses less digits than its factorization.

40255205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724.

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

The square root of 40255205 is about 6344.6989684303. The cubic root of 40255205 is about 342.7209720079.

Subtracting 40255205 from its reverse (50255204), we obtain a palindrome (9999999).

The spelling of 40255205 in words is "forty million, two hundred fifty-five thousand, two hundred five".