345400021330000 has 200 divisors, whose sum is σ = 1029228300117248. Its totient is φ = 109313413056000.

The previous prime is 345400021329989. The next prime is 345400021330057. The reversal of 345400021330000 is 33120004543.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 188870232 + ... + 190690231.

Almost surely, 2^{345400021330000} is an apocalyptic number.

It is an amenable number.

345400021330000 is an abundant number, since it is smaller than the sum of its proper divisors (683828278787248).

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

345400021330000 is a wasteful number, since it uses less digits than its factorization.

345400021330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379560511 (or 379560490 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 345400021330000 its reverse (33120004543), we get a palindrome (345433141334543).

The spelling of 345400021330000 in words is "three hundred forty-five trillion, four hundred billion, twenty-one million, three hundred thirty thousand".