344012240 has 80 divisors (see below), whose sum is σ = 939689856. Its totient is φ = 115468800.

The previous prime is 344012213. The next prime is 344012257. The reversal of 344012240 is 42210443.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3596 + ... + 26475.

Almost surely, 2^344012240 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 344012240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469844928).

344012240 is an abundant number, since it is smaller than the sum of its proper divisors (595677616).

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

344012240 is a wasteful number, since it uses less digits than its factorization.

344012240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30108 (or 30102 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 344012240 is about 18547.5669563423. The cubic root of 344012240 is about 700.6879223649.

Adding to 344012240 its reverse (42210443), we get a palindrome (386222683).

The spelling of 344012240 in words is "three hundred forty-four million, twelve thousand, two hundred forty".