340450344 has 128 divisors (see below), whose sum is σ = 1024531200. Its totient is φ = 104129280.

The previous prime is 340450291. The next prime is 340450349. The reversal of 340450344 is 443054043.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (340450349) 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, 738274 + ... + 738734.

It is an arithmetic number, because the mean of its divisors is an integer number (8004150).

Almost surely, 2^340450344 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 340450344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512265600).

340450344 is an abundant number, since it is smaller than the sum of its proper divisors (684080856).

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

340450344 is a wasteful number, since it uses less digits than its factorization.

340450344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 340450344 is about 18451.2965398099. The cubic root of 340450344 is about 698.2612246555.

The spelling of 340450344 in words is "three hundred forty million, four hundred fifty thousand, three hundred forty-four".