2140322340 has 48 divisors (see below), whose sum is σ = 6453897408. Its totient is φ = 526848384.

The previous prime is 2140322333. The next prime is 2140322341. The reversal of 2140322340 is 432230412.

It is not an unprimeable number, because it can be changed into a prime (2140322341) by changing a digit.

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, 1371222 + ... + 1372781.

It is an arithmetic number, because the mean of its divisors is an integer number (134456196).

Almost surely, 2^2140322340 is an apocalyptic number.

2140322340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140322340 is an abundant number, since it is smaller than the sum of its proper divisors (4313575068).

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

2140322340 is a wasteful number, since it uses less digits than its factorization.

2140322340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744028 (or 2744026 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2140322340 is about 46263.6178870611. The cubic root of 2140322340 is about 1288.7234412033.

Adding to 2140322340 its reverse (432230412), we get a palindrome (2572552752).

The spelling of 2140322340 in words is "two billion, one hundred forty million, three hundred twenty-two thousand, three hundred forty".