345215250440000 has 70 divisors (see below), whose sum is σ = 856021626233994. Its totient is φ = 138086100160000.

The previous prime is 345215250439951. The next prime is 345215250440023. The reversal of 345215250440000 is 44052512543.

It can be written as a sum of positive squares in 5 ways, for example, as 209069852725504 + 136145397714496 = 14459248^2 + 11668136^2 .

It is a congruent number.

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, 4315150631 + ... + 4315230630.

Almost surely, 2^{345215250440000} is an apocalyptic number.

It is an amenable number.

345215250440000 is an abundant number, since it is smaller than the sum of its proper divisors (510806375793994).

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

345215250440000 is an frugal number, since it uses more digits than its factorization.

345215250440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630381293 (or 8630381268 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 345215250440000 in words is "three hundred forty-five trillion, two hundred fifteen billion, two hundred fifty million, four hundred forty thousand".