52728714990 has 240 divisors, whose sum is σ = 167449065696. Its totient is φ = 11662289280.

The previous prime is 52728714949. The next prime is 52728715001. The reversal of 52728714990 is 9941782725.

52728714990 is a `hidden beast` number, since 5 + 2 + 72 + 87 + 1 + 499 + 0 = 666.

52728714990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5444032 + ... + 5453708.

Almost surely, 2^52728714990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52728714990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83724532848).

52728714990 is an abundant number, since it is smaller than the sum of its proper divisors (114720350706).

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

52728714990 is a wasteful number, since it uses less digits than its factorization.

52728714990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9765 (or 9725 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 52728714990 in words is "fifty-two billion, seven hundred twenty-eight million, seven hundred fourteen thousand, nine hundred ninety".