344542032340 has 96 divisors (see below), whose sum is σ = 815129497728. Its totient is φ = 121227840000.

The previous prime is 344542032311. The next prime is 344542032353. The reversal of 344542032340 is 43230245443.

It is a junction number, because it is equal to n+sod(n) for n = 344542032296 and 344542032305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1356415 + ... + 1590265.

It is an arithmetic number, because the mean of its divisors is an integer number (8490932268).

Almost surely, 2^344542032340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344542032340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407564748864).

344542032340 is an abundant number, since it is smaller than the sum of its proper divisors (470587465388).

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

344542032340 is a wasteful number, since it uses less digits than its factorization.

344542032340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234089 (or 234087 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 344542032340 its reverse (43230245443), we get a palindrome (387772277783).

The spelling of 344542032340 in words is "three hundred forty-four billion, five hundred forty-two million, thirty-two thousand, three hundred forty".