2340144312 has 64 divisors (see below), whose sum is σ = 6400546560. Its totient is φ = 707097600.

The previous prime is 2340144293. The next prime is 2340144341. The reversal of 2340144312 is 2134410432.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80637 + ... + 105747.

It is an arithmetic number, because the mean of its divisors is an integer number (100008540).

Almost surely, 2^2340144312 is an apocalyptic number.

2340144312 is a gapful number since it is divisible by the number (22) 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 2340144312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3200273280).

2340144312 is an abundant number, since it is smaller than the sum of its proper divisors (4060402248).

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

2340144312 is a wasteful number, since it uses less digits than its factorization.

2340144312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25484 (or 25480 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2340144312 is about 48375.0381085121. The cubic root of 2340144312 is about 1327.6416858216.

Adding to 2340144312 its reverse (2134410432), we get a palindrome (4474554744).

The spelling of 2340144312 in words is "two billion, three hundred forty million, one hundred forty-four thousand, three hundred twelve".