468389812856 has 32 divisors (see below), whose sum is σ = 1047331261440. Its totient is φ = 192010730208.

The previous prime is 468389812837. The next prime is 468389812871. The reversal of 468389812856 is 658218983864.

It is a happy number.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181827056 + ... + 181829631.

It is an arithmetic number, because the mean of its divisors is an integer number (32729101920).

Almost surely, 2^468389812856 is an apocalyptic number.

468389812856 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

468389812856 is an abundant number, since it is smaller than the sum of its proper divisors (578941448584).

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

468389812856 is a wasteful number, since it uses less digits than its factorization.

468389812856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363656723 (or 363656719 counting only the distinct ones).

The product of its digits is 159252480, while the sum is 68.

The spelling of 468389812856 in words is "four hundred sixty-eight billion, three hundred eighty-nine million, eight hundred twelve thousand, eight hundred fifty-six".