344020402000 has 80 divisors (see below), whose sum is σ = 907463329344. Its totient is φ = 125098320000.

The previous prime is 344020401997. The next prime is 344020402021. The reversal of 344020402000 is 204020443.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7796646 + ... + 7840645.

Almost surely, 2^344020402000 is an apocalyptic number.

It is an amenable number.

344020402000 is an abundant number, since it is smaller than the sum of its proper divisors (563442927344).

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

344020402000 is a wasteful number, since it uses less digits than its factorization.

344020402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15637325 (or 15637309 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 344020402000 its reverse (204020443), we get a palindrome (344224422443).

The spelling of 344020402000 in words is "three hundred forty-four billion, twenty million, four hundred two thousand".