320054985431896 has 32 divisors (see below), whose sum is σ = 705016226653200. Its totient is φ = 134288805075840.

The previous prime is 320054985431893. The next prime is 320054985431939. The reversal of 320054985431896 is 698134589450023.

It is a super-2 number, since 2×320054985431896² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320054985431893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139884170811 + ... + 139884173098.

Almost surely, 2^{320054985431896} is an apocalyptic number.

It is an amenable number.

320054985431896 is an abundant number, since it is smaller than the sum of its proper divisors (384961241221304).

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

320054985431896 is a wasteful number, since it uses less digits than its factorization.

320054985431896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279768343939 (or 279768343935 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 67.

The spelling of 320054985431896 in words is "three hundred twenty trillion, fifty-four billion, nine hundred eighty-five million, four hundred thirty-one thousand, eight hundred ninety-six".