344215020320 has 48 divisors (see below), whose sum is σ = 814526222328. Its totient is φ = 137462814720.

The previous prime is 344215020319. The next prime is 344215020337. The reversal of 344215020320 is 23020512443.

It can be written as a sum of positive squares in 4 ways, for example, as 225887276176 + 118327744144 = 475276^2 + 343988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 344215020320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1644671 + ... + 1842110.

Almost surely, 2^344215020320 is an apocalyptic number.

It is an amenable number.

344215020320 is an abundant number, since it is smaller than the sum of its proper divisors (470311202008).

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

344215020320 is a wasteful number, since it uses less digits than its factorization.

344215020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487413 (or 3487405 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 344215020320 its reverse (23020512443), we get a palindrome (367235532763).

The spelling of 344215020320 in words is "three hundred forty-four billion, two hundred fifteen million, twenty thousand, three hundred twenty".