52686974340 has 576 divisors, whose sum is σ = 221774031360. Its totient is φ = 10104652800.

The previous prime is 52686974297. The next prime is 52686974341. The reversal of 52686974340 is 4347968625.

52686974340 is a `hidden beast` number, since 526 + 8 + 6 + 9 + 74 + 3 + 40 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (52686974341) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5941510 + ... + 5950370.

It is an arithmetic number, because the mean of its divisors is an integer number (385024360).

Almost surely, 2^52686974340 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 52686974340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110887015680).

52686974340 is an abundant number, since it is smaller than the sum of its proper divisors (169087057020).

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

52686974340 is a wasteful number, since it uses less digits than its factorization.

52686974340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8921 (or 8902 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 52686974340 in words is "fifty-two billion, six hundred eighty-six million, nine hundred seventy-four thousand, three hundred forty".