404135325255 has 16 divisors (see below), whose sum is σ = 648535271904. Its totient is φ = 214899256320.

The previous prime is 404135325221. The next prime is 404135325257. The reversal of 404135325255 is 552523531404.

It is not a de Polignac number, because 404135325255 - 2¹³ = 404135317063 is a prime.

It is a super-2 number, since 2×404135325255² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404135325257) 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, 39968766 + ... + 39978875.

It is an arithmetic number, because the mean of its divisors is an integer number (40533454494).

Almost surely, 2^404135325255 is an apocalyptic number.

404135325255 is a deficient number, since it is larger than the sum of its proper divisors (244399946649).

404135325255 is a wasteful number, since it uses less digits than its factorization.

404135325255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79947986.

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 404135325255 its reverse (552523531404), we get a palindrome (956658856659).

The spelling of 404135325255 in words is "four hundred four billion, one hundred thirty-five million, three hundred twenty-five thousand, two hundred fifty-five".