345422340445020 has 48 divisors (see below), whose sum is σ = 972092109387168. Its totient is φ = 91645047343360.

The previous prime is 345422340445009. The next prime is 345422340445253. The reversal of 345422340445020 is 20544043224543.

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, 14611762311 + ... + 14611785950.

It is an arithmetic number, because the mean of its divisors is an integer number (20251918945566).

Almost surely, 2^{345422340445020} is an apocalyptic number.

345422340445020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345422340445020 is an abundant number, since it is smaller than the sum of its proper divisors (626669768942148).

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

345422340445020 is a wasteful number, since it uses less digits than its factorization.

345422340445020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29223548470 (or 29223548468 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 42.

Adding to 345422340445020 its reverse (20544043224543), we get a palindrome (365966383669563).

The spelling of 345422340445020 in words is "three hundred forty-five trillion, four hundred twenty-two billion, three hundred forty million, four hundred forty-five thousand, twenty".