859448406109272 has 64 divisors (see below), whose sum is σ = 2457611477068800. Its totient is φ = 245352227212800.

The previous prime is 859448406109231. The next prime is 859448406109357. The reversal of 859448406109272 is 272901604844958.

It is a junction number, because it is equal to n+sod(n) for n = 859448406109197 and 859448406109206.

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, 2129591872 + ... + 2129995407.

It is an arithmetic number, because the mean of its divisors is an integer number (38400179329200).

Almost surely, 2^{859448406109272} is an apocalyptic number.

It is an amenable number.

859448406109272 is an abundant number, since it is smaller than the sum of its proper divisors (1598163070959528).

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

859448406109272 is a wasteful number, since it uses less digits than its factorization.

859448406109272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259588496 (or 4259588492 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 69.

The spelling of 859448406109272 in words is "eight hundred fifty-nine trillion, four hundred forty-eight billion, four hundred six million, one hundred nine thousand, two hundred seventy-two".