40255365 has 16 divisors (see below), whose sum is σ = 64487808. Its totient is φ = 21443136.

The previous prime is 40255363. The next prime is 40255379. The reversal of 40255365 is 56355204.

It is not a de Polignac number, because 40255365 - 2¹ = 40255363 is a prime.

It is a super-2 number, since 2×40255365² = 3240988822566450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40255363) 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, 20872 + ... + 22718.

It is an arithmetic number, because the mean of its divisors is an integer number (4030488).

Almost surely, 2^40255365 is an apocalyptic number.

It is an amenable number.

40255365 is a deficient number, since it is larger than the sum of its proper divisors (24232443).

40255365 is a wasteful number, since it uses less digits than its factorization.

40255365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 40255365 is about 6344.7115773690. The cubic root of 40255365 is about 342.7214260716.

The spelling of 40255365 in words is "forty million, two hundred fifty-five thousand, three hundred sixty-five".