344920217500 has 30 divisors (see below), whose sum is σ = 754271537096. Its totient is φ = 137968086000.

The previous prime is 344920217419. The next prime is 344920217519. The reversal of 344920217500 is 5712029443.

It is a self number, because there is not a number n which added to its sum of digits gives 344920217500.

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, 68981544 + ... + 68986543.

Almost surely, 2^344920217500 is an apocalyptic number.

It is an amenable number.

344920217500 is an abundant number, since it is smaller than the sum of its proper divisors (409351319596).

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

344920217500 is a wasteful number, since it uses less digits than its factorization.

344920217500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137968111 (or 137968094 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 344920217500 in words is "three hundred forty-four billion, nine hundred twenty million, two hundred seventeen thousand, five hundred".