2344220640 has 144 divisors (see below), whose sum is σ = 8053377696. Its totient is φ = 620928000.

The previous prime is 2344220623. The next prime is 2344220647. The reversal of 2344220640 is 460224432.

2344220640 is a `hidden beast` number, since 234 + 422 + 0 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2344220647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212050 + ... + 222830.

It is an arithmetic number, because the mean of its divisors is an integer number (55926234).

Almost surely, 2^2344220640 is an apocalyptic number.

2344220640 is a gapful number since it is divisible by the number (20) 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 2344220640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4026688848).

2344220640 is an abundant number, since it is smaller than the sum of its proper divisors (5709157056).

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

2344220640 is a wasteful number, since it uses less digits than its factorization.

2344220640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10953 (or 10942 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2344220640 is about 48417.1523326187. The cubic root of 2344220640 is about 1328.4121174616.

The spelling of 2344220640 in words is "two billion, three hundred forty-four million, two hundred twenty thousand, six hundred forty".