345448354218 has 16 divisors (see below), whose sum is σ = 753705500256. Its totient is φ = 104681319440.

The previous prime is 345448354193. The next prime is 345448354261. The reversal of 345448354218 is 812453844543.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2617032921 + ... + 2617033052.

It is an arithmetic number, because the mean of its divisors is an integer number (47106593766).

Almost surely, 2^345448354218 is an apocalyptic number.

345448354218 is an abundant number, since it is smaller than the sum of its proper divisors (408257146038).

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

345448354218 is a wasteful number, since it uses less digits than its factorization.

345448354218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234065989.

The product of its digits is 7372800, while the sum is 51.

The spelling of 345448354218 in words is "three hundred forty-five billion, four hundred forty-eight million, three hundred fifty-four thousand, two hundred eighteen".