6240052728 has 640 divisors, whose sum is σ = 23051952000. Its totient is φ = 1532805120.

The previous prime is 6240052723. The next prime is 6240052729. The reversal of 6240052728 is 8272500426.

6240052728 is a `hidden beast` number, since 624 + 0 + 0 + 5 + 2 + 7 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6240052692 and 6240052701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240052723) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 70112908 + ... + 70112996.

It is an arithmetic number, because the mean of its divisors is an integer number (36018675).

Almost surely, 2^6240052728 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 6240052728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11525976000).

6240052728 is an abundant number, since it is smaller than the sum of its proper divisors (16811899272).

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

6240052728 is a wasteful number, since it uses less digits than its factorization.

6240052728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 6240052728 is about 78994.0043800794. The cubic root of 6240052728 is about 1841.0380020643.

The spelling of 6240052728 in words is "six billion, two hundred forty million, fifty-two thousand, seven hundred twenty-eight".