344024340 has 192 divisors, whose sum is σ = 1111283712. Its totient is φ = 78707200.

The previous prime is 344024327. The next prime is 344024353. The reversal of 344024340 is 43420443.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (344024327) and next prime (344024353).

It is a self number, because there is not a number n which added to its sum of digits gives 344024340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1988494 + ... + 1988666.

It is an arithmetic number, because the mean of its divisors is an integer number (5787936).

Almost surely, 2^344024340 is an apocalyptic number.

344024340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344024340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555641856).

344024340 is an abundant number, since it is smaller than the sum of its proper divisors (767259372).

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

344024340 is a wasteful number, since it uses less digits than its factorization.

344024340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 344024340 is about 18547.8931418099. The cubic root of 344024340 is about 700.6961374064.

Adding to 344024340 its reverse (43420443), we get a palindrome (387444783).

The spelling of 344024340 in words is "three hundred forty-four million, twenty-four thousand, three hundred forty".