344311340 has 24 divisors (see below), whose sum is σ = 728261520. Its totient is φ = 136732608.

The previous prime is 344311321. The next prime is 344311343. The reversal of 344311340 is 43113443.

It is not an unprimeable number, because it can be changed into a prime (344311343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59147 + ... + 64706.

It is an arithmetic number, because the mean of its divisors is an integer number (30344230).

Almost surely, 2^344311340 is an apocalyptic number.

It is an amenable number.

344311340 is an abundant number, since it is smaller than the sum of its proper divisors (383950180).

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

344311340 is a wasteful number, since it uses less digits than its factorization.

344311340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124001 (or 123999 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 344311340 is about 18555.6282566773. The cubic root of 344311340 is about 700.8909335994.

Adding to 344311340 its reverse (43113443), we get a palindrome (387424783).

The spelling of 344311340 in words is "three hundred forty-four million, three hundred eleven thousand, three hundred forty".