673256441320 has 64 divisors (see below), whose sum is σ = 1567085667840. Its totient is φ = 260049849600.

The previous prime is 673256441303. The next prime is 673256441437. The reversal of 673256441320 is 23144652376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17242 + ... + 1160521.

It is an arithmetic number, because the mean of its divisors is an integer number (24485713560).

Almost surely, 2^673256441320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673256441320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783542833920).

673256441320 is an abundant number, since it is smaller than the sum of its proper divisors (893829226520).

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

673256441320 is a wasteful number, since it uses less digits than its factorization.

673256441320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178266 (or 1178262 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 673256441320 in words is "six hundred seventy-three billion, two hundred fifty-six million, four hundred forty-one thousand, three hundred twenty".