6650730240 has 576 divisors, whose sum is σ = 26899955712. Its totient is φ = 1360281600.

The previous prime is 6650730187. The next prime is 6650730241. The reversal of 6650730240 is 420370566.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650730241) 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, 24541305 + ... + 24541575.

It is an arithmetic number, because the mean of its divisors is an integer number (46701312).

Almost surely, 2^6650730240 is an apocalyptic number.

6650730240 is a gapful number since it is divisible by the number (60) 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 6650730240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13449977856).

6650730240 is an abundant number, since it is smaller than the sum of its proper divisors (20249225472).

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

6650730240 is a wasteful number, since it uses less digits than its factorization.

6650730240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 6650730240 is about 81552.0094173038. The cubic root of 6650730240 is about 1880.5711860329.

The spelling of 6650730240 in words is "six billion, six hundred fifty million, seven hundred thirty thousand, two hundred forty".