864826404628468 has 48 divisors (see below), whose sum is σ = 1612205112571200. Its totient is φ = 404771350314240.

The previous prime is 864826404628453. The next prime is 864826404628493.

864826404628468 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (76).

It is a junction number, because it is equal to n+sod(n) for n = 864826404628394 and 864826404628403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200321113 + ... + 204592768.

It is an arithmetic number, because the mean of its divisors is an integer number (33587606511900).

Almost surely, 2^{864826404628468} is an apocalyptic number.

It is an amenable number.

864826404628468 is a deficient number, since it is larger than the sum of its proper divisors (747378707942732).

864826404628468 is a wasteful number, since it uses less digits than its factorization.

864826404628468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404914240 (or 404914238 counting only the distinct ones).

The product of its (nonzero) digits is 5435817984, while the sum is 76.

The spelling of 864826404628468 in words is "eight hundred sixty-four trillion, eight hundred twenty-six billion, four hundred four million, six hundred twenty-eight thousand, four hundred sixty-eight".