2140234320 has 160 divisors (see below), whose sum is σ = 7613584128. Its totient is φ = 487194624.

The previous prime is 2140234303. The next prime is 2140234331. The reversal of 2140234320 is 234320412.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429282 + ... + 434238.

Almost surely, 2^2140234320 is an apocalyptic number.

2140234320 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 2140234320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3806792064).

2140234320 is an abundant number, since it is smaller than the sum of its proper divisors (5473349808).

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

2140234320 is a wasteful number, since it uses less digits than its factorization.

2140234320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237 (or 5231 counting only the distinct ones).

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

The square root of 2140234320 is about 46262.6665898108. Note that the first 3 decimals coincide. The cubic root of 2140234320 is about 1288.7057748624.

Adding to 2140234320 its reverse (234320412), we get a palindrome (2374554732).

The spelling of 2140234320 in words is "two billion, one hundred forty million, two hundred thirty-four thousand, three hundred twenty".