404134552393 has 32 divisors (see below), whose sum is σ = 507597172992. Its totient is φ = 316085760000.

The previous prime is 404134552369. The next prime is 404134552399. The reversal of 404134552393 is 393255431404.

It is not a de Polignac number, because 404134552393 - 2²⁹ = 403597681481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404134552399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556608 + ... + 1057393.

It is an arithmetic number, because the mean of its divisors is an integer number (15862411656).

Almost surely, 2^404134552393 is an apocalyptic number.

It is an amenable number.

404134552393 is a deficient number, since it is larger than the sum of its proper divisors (103462620599).

404134552393 is a wasteful number, since it uses less digits than its factorization.

404134552393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614145.

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 404134552393 its reverse (393255431404), we get a palindrome (797389983797).

The spelling of 404134552393 in words is "four hundred four billion, one hundred thirty-four million, five hundred fifty-two thousand, three hundred ninety-three".