653030140 has 48 divisors (see below), whose sum is σ = 1574193600. Its totient is φ = 222907392.

The previous prime is 653030137. The next prime is 653030167. The reversal of 653030140 is 41030356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21876 + ... + 42244.

It is an arithmetic number, because the mean of its divisors is an integer number (32795700).

Almost surely, 2^653030140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653030140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787096800).

653030140 is an abundant number, since it is smaller than the sum of its proper divisors (921163460).

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

653030140 is a wasteful number, since it uses less digits than its factorization.

653030140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20614 (or 20612 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 653030140 is about 25554.4544062283. The cubic root of 653030140 is about 867.5830835612.

Adding to 653030140 its reverse (41030356), we get a palindrome (694060496).

The spelling of 653030140 in words is "six hundred fifty-three million, thirty thousand, one hundred forty".