344402230420 has 96 divisors (see below), whose sum is σ = 788533200000. Its totient is φ = 125854622208.

The previous prime is 344402230379. The next prime is 344402230421. The reversal of 344402230420 is 24032204443.

It is a happy number.

It is a super-2 number, since 2×344402230420² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344402230421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9116731 + ... + 9154429.

It is an arithmetic number, because the mean of its divisors is an integer number (8213887500).

Almost surely, 2^344402230420 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 344402230420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394266600000).

344402230420 is an abundant number, since it is smaller than the sum of its proper divisors (444130969580).

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

344402230420 is a wasteful number, since it uses less digits than its factorization.

344402230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38585 (or 38583 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 344402230420 its reverse (24032204443), we get a palindrome (368434434863).

The spelling of 344402230420 in words is "three hundred forty-four billion, four hundred two million, two hundred thirty thousand, four hundred twenty".