320450307673444 has 24 divisors (see below), whose sum is σ = 603941969099448. Its totient is φ = 147896128308480.

The previous prime is 320450307673387. The next prime is 320450307673451. The reversal of 320450307673444 is 444376703054023.

It can be written as a sum of positive squares in 4 ways, for example, as 99857650694400 + 220592656979044 = 9992880^2 + 14852362^2 .

It is a super-2 number, since 2×320450307673444² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 320450307673391 and 320450307673400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81683647 + ... + 85516774.

It is an arithmetic number, because the mean of its divisors is an integer number (25164248712477).

Almost surely, 2^{320450307673444} is an apocalyptic number.

It is an amenable number.

320450307673444 is a deficient number, since it is larger than the sum of its proper divisors (283491661426004).

320450307673444 is a wasteful number, since it uses less digits than its factorization.

320450307673444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167237295 (or 167237293 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 52.

The spelling of 320450307673444 in words is "three hundred twenty trillion, four hundred fifty billion, three hundred seven million, six hundred seventy-three thousand, four hundred forty-four".