344120432320 has 112 divisors (see below), whose sum is σ = 937858675968. Its totient is φ = 117812874240.

The previous prime is 344120432309. The next prime is 344120432323. The reversal of 344120432320 is 23234021443.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (344120432323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1436679 + ... + 1659001.

Almost surely, 2^344120432320 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 344120432320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468929337984).

344120432320 is an abundant number, since it is smaller than the sum of its proper divisors (593738243648).

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

344120432320 is a wasteful number, since it uses less digits than its factorization.

344120432320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223038 (or 223028 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 344120432320 its reverse (23234021443), we get a palindrome (367354453763).

The spelling of 344120432320 in words is "three hundred forty-four billion, one hundred twenty million, four hundred thirty-two thousand, three hundred twenty".