344242030021340 has 48 divisors (see below), whose sum is σ = 794300773069440. Its totient is φ = 124278352226880.

The previous prime is 344242030021297. The next prime is 344242030021363. The reversal of 344242030021340 is 43120030242443.

It is a junction number, because it is equal to n+sod(n) for n = 344242030021297 and 344242030021306.

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, 5628517982 + ... + 5628579141.

It is an arithmetic number, because the mean of its divisors is an integer number (16547932772280).

Almost surely, 2^{344242030021340} is an apocalyptic number.

It is an amenable number.

344242030021340 is an abundant number, since it is smaller than the sum of its proper divisors (450058743048100).

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

344242030021340 is a wasteful number, since it uses less digits than its factorization.

344242030021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11257097282 (or 11257097280 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 344242030021340 its reverse (43120030242443), we get a palindrome (387362060263783).

The spelling of 344242030021340 in words is "three hundred forty-four trillion, two hundred forty-two billion, thirty million, twenty-one thousand, three hundred forty".