345198304323640 has 16 divisors (see below), whose sum is σ = 776696184728280. Its totient is φ = 138079321729440.

The previous prime is 345198304323619. The next prime is 345198304323679. The reversal of 345198304323640 is 46323403891543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4314978804006 + ... + 4314978804085.

Almost surely, 2^{345198304323640} is an apocalyptic number.

It is an amenable number.

345198304323640 is an abundant number, since it is smaller than the sum of its proper divisors (431497880404640).

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

345198304323640 is a wasteful number, since it uses less digits than its factorization.

345198304323640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8629957608102 (or 8629957608098 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 55.

The spelling of 345198304323640 in words is "three hundred forty-five trillion, one hundred ninety-eight billion, three hundred four million, three hundred twenty-three thousand, six hundred forty".