40163255 has 16 divisors (see below), whose sum is σ = 52700544. Its totient is φ = 29141280.

The previous prime is 40163243. The next prime is 40163261. The reversal of 40163255 is 55236104.

It is not a de Polignac number, because 40163255 - 2⁶ = 40163191 is a prime.

It is a super-2 number, since 2×40163255² = 3226174104390050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45044 + ... + 45926.

It is an arithmetic number, because the mean of its divisors is an integer number (3293784).

Almost surely, 2^40163255 is an apocalyptic number.

40163255 is a deficient number, since it is larger than the sum of its proper divisors (12537289).

40163255 is a wasteful number, since it uses less digits than its factorization.

40163255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 40163255 is about 6337.4486191211. The cubic root of 40163255 is about 342.4598279912.

Adding to 40163255 its reverse (55236104), we get a palindrome (95399359).

The spelling of 40163255 in words is "forty million, one hundred sixty-three thousand, two hundred fifty-five".