404256647345376 has 96 divisors (see below), whose sum is σ = 1242349696804608. Its totient is φ = 112684779740160.

The previous prime is 404256647345321. The next prime is 404256647345423. The reversal of 404256647345376 is 673543746652404.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7336221130 + ... + 7336276233.

It is an arithmetic number, because the mean of its divisors is an integer number (12941142675048).

Almost surely, 2^{404256647345376} is an apocalyptic number.

It is an amenable number.

404256647345376 is an abundant number, since it is smaller than the sum of its proper divisors (838093049459232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404256647345376 is a wasteful number, since it uses less digits than its factorization.

404256647345376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14672497424 (or 14672497416 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 66.

The spelling of 404256647345376 in words is "four hundred four trillion, two hundred fifty-six billion, six hundred forty-seven million, three hundred forty-five thousand, three hundred seventy-six".