345025220000 has 60 divisors (see below), whose sum is σ = 848813844186. Its totient is φ = 138010080000.

The previous prime is 345025219961. The next prime is 345025220027. The reversal of 345025220000 is 22520543.

It can be written as a sum of positive squares in 5 ways, for example, as 7329414544 + 337695805456 = 85612^2 + 581116^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8605631 + ... + 8645630.

Almost surely, 2^345025220000 is an apocalyptic number.

It is an amenable number.

345025220000 is an abundant number, since it is smaller than the sum of its proper divisors (503788624186).

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

345025220000 is an equidigital number, since it uses as much as digits as its factorization.

345025220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17251291 (or 17251268 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

Adding to 345025220000 its reverse (22520543), we get a palindrome (345047740543).

The spelling of 345025220000 in words is "three hundred forty-five billion, twenty-five million, two hundred twenty thousand".