2344021240 has 64 divisors (see below), whose sum is σ = 5832401760. Its totient is φ = 840683520.

The previous prime is 2344021187. The next prime is 2344021283. The reversal of 2344021240 is 421204432.

It is a happy number.

It is a super-2 number, since 2×2344021240² = 10988871147142275200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4369 + ... + 68608.

Almost surely, 2^2344021240 is an apocalyptic number.

2344021240 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 2344021240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2916200880).

2344021240 is an abundant number, since it is smaller than the sum of its proper divisors (3488380520).

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

2344021240 is a wasteful number, since it uses less digits than its factorization.

2344021240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73072 (or 73068 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2344021240 is about 48415.0931012221. The cubic root of 2344021240 is about 1328.3744513702.

Adding to 2344021240 its reverse (421204432), we get a palindrome (2765225672).

The spelling of 2344021240 in words is "two billion, three hundred forty-four million, twenty-one thousand, two hundred forty".