405105255 has 12 divisors (see below), whose sum is σ = 702182520. Its totient is φ = 216056112.

The previous prime is 405105199. The next prime is 405105287. The reversal of 405105255 is 552501504.

405105255 is a `hidden beast` number, since 405 + 1 + 0 + 5 + 255 = 666.

It is not a de Polignac number, because 405105255 - 2⁶ = 405105191 is a prime.

It is a super-2 number, since 2×405105255² = 328220535257230050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4501125 + ... + 4501214.

It is an arithmetic number, because the mean of its divisors is an integer number (58515210).

Almost surely, 2^405105255 is an apocalyptic number.

405105255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

405105255 is a deficient number, since it is larger than the sum of its proper divisors (297077265).

405105255 is a wasteful number, since it uses less digits than its factorization.

405105255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002350 (or 9002347 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 405105255 is about 20127.2267091122. The cubic root of 405105255 is about 739.9277108591.

Adding to 405105255 its reverse (552501504), we get a palindrome (957606759).

The spelling of 405105255 in words is "four hundred five million, one hundred five thousand, two hundred fifty-five".