344240213430 has 32 divisors (see below), whose sum is σ = 869659488000. Its totient is φ = 86965948512.

The previous prime is 344240213413. The next prime is 344240213453. The reversal of 344240213430 is 34312042443.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301964530 + ... + 301965669.

It is an arithmetic number, because the mean of its divisors is an integer number (27176859000).

Almost surely, 2^344240213430 is an apocalyptic number.

344240213430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

344240213430 is an abundant number, since it is smaller than the sum of its proper divisors (525419274570).

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

344240213430 is a wasteful number, since it uses less digits than its factorization.

344240213430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603930228.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 344240213430 its reverse (34312042443), we get a palindrome (378552255873).

The spelling of 344240213430 in words is "three hundred forty-four billion, two hundred forty million, two hundred thirteen thousand, four hundred thirty".