320011204040 has 64 divisors (see below), whose sum is σ = 785646293760. Its totient is φ = 116343377920.

The previous prime is 320011204039. The next prime is 320011204043. The reversal of 320011204040 is 40402110023.

It is a super-2 number, since 2×320011204040² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320011204043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2101352 + ... + 2248488.

It is an arithmetic number, because the mean of its divisors is an integer number (12275723340).

Almost surely, 2^320011204040 is an apocalyptic number.

It is an amenable number.

320011204040 is an abundant number, since it is smaller than the sum of its proper divisors (465635089720).

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

320011204040 is a wasteful number, since it uses less digits than its factorization.

320011204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152102 (or 152098 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 320011204040 its reverse (40402110023), we get a palindrome (360413314063).

The spelling of 320011204040 in words is "three hundred twenty billion, eleven million, two hundred four thousand, forty".