320440000353 has 16 divisors (see below), whose sum is σ = 470370648000. Its totient is φ = 192424351680.

The previous prime is 320440000303. The next prime is 320440000357. The reversal of 320440000353 is 353000044023.

It is not a de Polignac number, because 320440000353 - 2⁶ = 320440000289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320440000357) 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, 44539078 + ... + 44546271.

It is an arithmetic number, because the mean of its divisors is an integer number (29398165500).

Almost surely, 2^320440000353 is an apocalyptic number.

320440000353 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

320440000353 is a deficient number, since it is larger than the sum of its proper divisors (149930647647).

320440000353 is a wasteful number, since it uses less digits than its factorization.

320440000353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89085472.

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 320440000353 its reverse (353000044023), we get a palindrome (673440044376).

The spelling of 320440000353 in words is "three hundred twenty billion, four hundred forty million, three hundred fifty-three", and thus it is an aban number.