345244032320 has 112 divisors (see below), whose sum is σ = 902790631296. Its totient is φ = 124711680000.

The previous prime is 345244032307. The next prime is 345244032377. The reversal of 345244032320 is 23230442543.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 206750 + ... + 856290.

Almost surely, 2^345244032320 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 345244032320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451395315648).

345244032320 is an abundant number, since it is smaller than the sum of its proper divisors (557546598976).

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

345244032320 is a wasteful number, since it uses less digits than its factorization.

345244032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649720 (or 649710 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 345244032320 its reverse (23230442543), we get a palindrome (368474474863).

The spelling of 345244032320 in words is "three hundred forty-five billion, two hundred forty-four million, thirty-two thousand, three hundred twenty".