404251346643 has 12 divisors (see below), whose sum is σ = 572572842840. Its totient is φ = 253647903232.

The previous prime is 404251346623. The next prime is 404251346689. The reversal of 404251346643 is 346643152404.

It is not a de Polignac number, because 404251346643 - 2⁹ = 404251346131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404251346595 and 404251346604.

It is not an unprimeable number, because it can be changed into a prime (404251346623) 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 11 ways as a sum of consecutive naturals, for example, 233131398 + ... + 233133131.

It is an arithmetic number, because the mean of its divisors is an integer number (47714403570).

Almost surely, 2^404251346643 is an apocalyptic number.

404251346643 is a deficient number, since it is larger than the sum of its proper divisors (168321496197).

404251346643 is a wasteful number, since it uses less digits than its factorization.

404251346643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466264566 (or 466264549 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 404251346643 in words is "four hundred four billion, two hundred fifty-one million, three hundred forty-six thousand, six hundred forty-three".