40396255 has 16 divisors (see below), whose sum is σ = 50688000. Its totient is φ = 30869280.

The previous prime is 40396253. The next prime is 40396259. The reversal of 40396255 is 55269304.

It is not a de Polignac number, because 40396255 - 2¹ = 40396253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40396255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40396253) 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, 10596 + ... + 13894.

It is an arithmetic number, because the mean of its divisors is an integer number (3168000).

Almost surely, 2^40396255 is an apocalyptic number.

40396255 is a deficient number, since it is larger than the sum of its proper divisors (10291745).

40396255 is a wasteful number, since it uses less digits than its factorization.

40396255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 40396255 is about 6355.8048270852. The cubic root of 40396255 is about 343.1207914631.

The spelling of 40396255 in words is "forty million, three hundred ninety-six thousand, two hundred fifty-five".