52671544380 has 480 divisors, whose sum is σ = 215335967616. Its totient is φ = 10458906624.

The previous prime is 52671544349. The next prime is 52671544451. The reversal of 52671544380 is 8344517625.

52671544380 is a `hidden beast` number, since 5 + 2 + 6 + 71 + 544 + 38 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2495632 + ... + 2516648.

Almost surely, 2^52671544380 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 52671544380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107667983808).

52671544380 is an abundant number, since it is smaller than the sum of its proper divisors (162664423236).

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

52671544380 is a wasteful number, since it uses less digits than its factorization.

52671544380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21075 (or 21064 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 52671544380 in words is "fifty-two billion, six hundred seventy-one million, five hundred forty-four thousand, three hundred eighty".