404445442113253 has 8 divisors (see below), whose sum is σ = 429947213087520. Its totient is φ = 379365188014800.

The previous prime is 404445442113247. The next prime is 404445442113259. The reversal of 404445442113253 is 352311244544404.

It is an interprime number because it is at equal distance from previous prime (404445442113247) and next prime (404445442113259).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404445442113253 is a prime.

It is a super-2 number, since 2×404445442113253² (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 (404445442113259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105379216975 + ... + 105379220812.

It is an arithmetic number, because the mean of its divisors is an integer number (53743401635940).

Almost surely, 2^{404445442113253} is an apocalyptic number.

It is an amenable number.

404445442113253 is a deficient number, since it is larger than the sum of its proper divisors (25501770974267).

404445442113253 is a wasteful number, since it uses less digits than its factorization.

404445442113253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210758437907.

The product of its (nonzero) digits is 3686400, while the sum is 46.

Adding to 404445442113253 its reverse (352311244544404), we get a palindrome (756756686657657).

The spelling of 404445442113253 in words is "four hundred four trillion, four hundred forty-five billion, four hundred forty-two million, one hundred thirteen thousand, two hundred fifty-three".