320040033104 has 80 divisors (see below), whose sum is σ = 716394862080. Its totient is φ = 137070890880.

The previous prime is 320040033097. The next prime is 320040033109. The reversal of 320040033104 is 401330040023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320040033109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318794 + ... + 861225.

It is an arithmetic number, because the mean of its divisors is an integer number (8954935776).

Almost surely, 2^320040033104 is an apocalyptic number.

It is an amenable number.

320040033104 is an abundant number, since it is smaller than the sum of its proper divisors (396354828976).

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

320040033104 is a wasteful number, since it uses less digits than its factorization.

320040033104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180128 (or 1180122 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 320040033104 its reverse (401330040023), we get a palindrome (721370073127).

The spelling of 320040033104 in words is "three hundred twenty billion, forty million, thirty-three thousand, one hundred four".