6402312817044 has 96 divisors (see below), whose sum is σ = 16533932405760. Its totient is φ = 1919116742400.

The previous prime is 6402312817013. The next prime is 6402312817051. The reversal of 6402312817044 is 4407182132046.

It is a junction number, because it is equal to n+sod(n) for n = 6402312816987 and 6402312817005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3972897 + ... + 5346824.

It is an arithmetic number, because the mean of its divisors is an integer number (172228462560).

Almost surely, 2^{6402312817044} is an apocalyptic number.

It is an amenable number.

6402312817044 is an abundant number, since it is smaller than the sum of its proper divisors (10131619588716).

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

6402312817044 is a wasteful number, since it uses less digits than its factorization.

6402312817044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9319901 (or 9319899 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 6402312817044 in words is "six trillion, four hundred two billion, three hundred twelve million, eight hundred seventeen thousand, forty-four".