2053243140 has 192 divisors, whose sum is σ = 6362254080. Its totient is φ = 491673600.

The previous prime is 2053243117. The next prime is 2053243147. The reversal of 2053243140 is 413423502.

It is a self number, because there is not a number n which added to its sum of digits gives 2053243140.

It is not an unprimeable number, because it can be changed into a prime (2053243147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5278066 + ... + 5278454.

It is an arithmetic number, because the mean of its divisors is an integer number (33136740).

Almost surely, 2^2053243140 is an apocalyptic number.

2053243140 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 2053243140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3181127040).

2053243140 is an abundant number, since it is smaller than the sum of its proper divisors (4309010940).

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

2053243140 is a wasteful number, since it uses less digits than its factorization.

2053243140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2053243140 is about 45312.7260270225. The cubic root of 2053243140 is about 1271.0036375928.

Adding to 2053243140 its reverse (413423502), we get a palindrome (2466666642).

The spelling of 2053243140 in words is "two billion, fifty-three million, two hundred forty-three thousand, one hundred forty".