52386647040 has 1188 divisors, whose sum is σ = 232114766832. Its totient is φ = 10696458240.

The previous prime is 52386647011. The next prime is 52386647057. The reversal of 52386647040 is 4074668325.

52386647040 is a `hidden beast` number, since 52 + 38 + 66 + 470 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1689891825 + ... + 1689891855.

Almost surely, 2^52386647040 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 52386647040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116057383416).

52386647040 is an abundant number, since it is smaller than the sum of its proper divisors (179728119792).

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

52386647040 is a wasteful number, since it uses less digits than its factorization.

52386647040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 52386647040 in words is "fifty-two billion, three hundred eighty-six million, six hundred forty-seven thousand, forty".