320004240102 has 72 divisors (see below), whose sum is σ = 718205918976. Its totient is φ = 102966945984.

The previous prime is 320004240011. The next prime is 320004240107. The reversal of 320004240102 is 201042400023.

320004240102 is a `hidden beast` number, since 320 + 0 + 0 + 4 + 240 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320004240107) 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, 3078408 + ... + 3180660.

It is an arithmetic number, because the mean of its divisors is an integer number (9975082208).

Almost surely, 2^320004240102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320004240102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359102959488).

320004240102 is an abundant number, since it is smaller than the sum of its proper divisors (398201678874).

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

320004240102 is a wasteful number, since it uses less digits than its factorization.

320004240102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102462 (or 102422 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 320004240102 its reverse (201042400023), we get a palindrome (521046640125).

The spelling of 320004240102 in words is "three hundred twenty billion, four million, two hundred forty thousand, one hundred two".