404521644032053 has 4 divisors (see below), whose sum is σ = 422109541598688. Its totient is φ = 386933746465420.

The previous prime is 404521644031969. The next prime is 404521644032063. The reversal of 404521644032053 is 350230446125404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404521644032053 - 2¹⁷ = 404521643900981 is a prime.

It is a super-2 number, since 2×404521644032053² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404521644032063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8793948783283 + ... + 8793948783328.

It is an arithmetic number, because the mean of its divisors is an integer number (105527385399672).

Almost surely, 2^{404521644032053} is an apocalyptic number.

It is an amenable number.

404521644032053 is a deficient number, since it is larger than the sum of its proper divisors (17587897566635).

404521644032053 is a wasteful number, since it uses less digits than its factorization.

404521644032053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17587897566634.

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 404521644032053 in words is "four hundred four trillion, five hundred twenty-one billion, six hundred forty-four million, thirty-two thousand, fifty-three".