404246318253 has 16 divisors (see below), whose sum is σ = 554621042496. Its totient is φ = 261712425600.

The previous prime is 404246318251. The next prime is 404246318269. The reversal of 404246318253 is 352813642404.

It is not a de Polignac number, because 404246318253 - 2¹ = 404246318251 is a prime.

It is a super-4 number, since 4×404246318253⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404246318251) 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 15 ways as a sum of consecutive naturals, for example, 3423648 + ... + 3539753.

It is an arithmetic number, because the mean of its divisors is an integer number (34663815156).

Almost surely, 2^404246318253 is an apocalyptic number.

It is an amenable number.

404246318253 is a deficient number, since it is larger than the sum of its proper divisors (150374724243).

404246318253 is a wasteful number, since it uses less digits than its factorization.

404246318253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963964.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 404246318253 in words is "four hundred four billion, two hundred forty-six million, three hundred eighteen thousand, two hundred fifty-three".