320040660096 has 48 divisors (see below), whose sum is σ = 920950340310. Its totient is φ = 106680219648.

The previous prime is 320040660089. The next prime is 320040660143. The reversal of 320040660096 is 690066040023.

320040660096 is a `hidden beast` number, since 3 + 2 + 0 + 0 + 40 + 6 + 600 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 314721000000 + 5319660096 = 561000^2 + 72936^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×320040660096² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 320040660096.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138905385 + ... + 138907688.

Almost surely, 2^320040660096 is an apocalyptic number.

320040660096 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

320040660096 is an abundant number, since it is smaller than the sum of its proper divisors (600909680214).

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

320040660096 is a wasteful number, since it uses less digits than its factorization.

320040660096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277813093 (or 277813078 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 320040660096 in words is "three hundred twenty billion, forty million, six hundred sixty thousand, ninety-six".