320682655044 has 108 divisors (see below), whose sum is σ = 887210919504. Its totient is φ = 101268096048.

The previous prime is 320682655043. The next prime is 320682655091. The reversal of 320682655044 is 440556286023.

320682655044 is a `hidden beast` number, since 3 + 2 + 0 + 6 + 82 + 65 + 504 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is not an unprimeable number, because it can be changed into a prime (320682655043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 106062 + ... + 807845.

Almost surely, 2^320682655044 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 320682655044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443605459752).

320682655044 is an abundant number, since it is smaller than the sum of its proper divisors (566528264460).

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

320682655044 is a wasteful number, since it uses less digits than its factorization.

320682655044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913964 (or 913931 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 320682655044 in words is "three hundred twenty billion, six hundred eighty-two million, six hundred fifty-five thousand, forty-four".