345510033320 has 64 divisors (see below), whose sum is σ = 805370083200. Its totient is φ = 133244939520.

The previous prime is 345510033311. The next prime is 345510033331. The reversal of 345510033320 is 23330015543.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586037 + ... + 1017083.

It is an arithmetic number, because the mean of its divisors is an integer number (12583907550).

Almost surely, 2^345510033320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345510033320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402685041600).

345510033320 is an abundant number, since it is smaller than the sum of its proper divisors (459860049880).

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

345510033320 is a wasteful number, since it uses less digits than its factorization.

345510033320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431778 (or 431774 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 345510033320 its reverse (23330015543), we get a palindrome (368840048863).

The spelling of 345510033320 in words is "three hundred forty-five billion, five hundred ten million, thirty-three thousand, three hundred twenty".