340224640 has 192 divisors, whose sum is σ = 997682400. Its totient is φ = 110315520.

The previous prime is 340224637. The next prime is 340224641. The reversal of 340224640 is 46422043.

It is not an unprimeable number, because it can be changed into a prime (340224641) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 595555 + ... + 596125.

Almost surely, 2^340224640 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 340224640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498841200).

340224640 is an abundant number, since it is smaller than the sum of its proper divisors (657457760).

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

340224640 is a wasteful number, since it uses less digits than its factorization.

340224640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 340224640 is about 18445.1793160164. The cubic root of 340224640 is about 698.1068847794.

Adding to 340224640 its reverse (46422043), we get a palindrome (386646683).

The spelling of 340224640 in words is "three hundred forty million, two hundred twenty-four thousand, six hundred forty".