52140641280 has 792 divisors, whose sum is σ = 211819990032. Its totient is φ = 10850402304.

The previous prime is 52140641261. The next prime is 52140641317. The reversal of 52140641280 is 8214604125.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 714255324 + ... + 714255396.

Almost surely, 2^52140641280 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 52140641280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105909995016).

52140641280 is an abundant number, since it is smaller than the sum of its proper divisors (159679348752).

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

52140641280 is a wasteful number, since it uses less digits than its factorization.

52140641280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 52140641280 in words is "fifty-two billion, one hundred forty million, six hundred forty-one thousand, two hundred eighty".