345620368180 has 24 divisors (see below), whose sum is σ = 727612772040. Its totient is φ = 137903385600.

The previous prime is 345620368169. The next prime is 345620368207. The reversal of 345620368180 is 81863026543.

It can be written as a sum of positive squares in 4 ways, for example, as 60931960336 + 284688407844 = 246844^2 + 533562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 345620368180.

It is a congruent 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, 21539385 + ... + 21555424.

It is an arithmetic number, because the mean of its divisors is an integer number (30317198835).

Almost surely, 2^345620368180 is an apocalyptic number.

It is an amenable number.

345620368180 is an abundant number, since it is smaller than the sum of its proper divisors (381992403860).

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

345620368180 is a wasteful number, since it uses less digits than its factorization.

345620368180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43095219 (or 43095217 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 345620368180 in words is "three hundred forty-five billion, six hundred twenty million, three hundred sixty-eight thousand, one hundred eighty".