52124205240 has 256 divisors, whose sum is σ = 185795856000. Its totient is φ = 12952166400.

The previous prime is 52124205233. The next prime is 52124205241. The reversal of 52124205240 is 4250242125.

52124205240 is a `hidden beast` number, since 5 + 212 + 4 + 205 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52124205241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1840306 + ... + 1868414.

Almost surely, 2^52124205240 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 52124205240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92897928000).

52124205240 is an abundant number, since it is smaller than the sum of its proper divisors (133671650760).

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

52124205240 is a wasteful number, since it uses less digits than its factorization.

52124205240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28247 (or 28237 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 52124205240 its reverse (4250242125), we get a palindrome (56374447365).

The spelling of 52124205240 in words is "fifty-two billion, one hundred twenty-four million, two hundred five thousand, two hundred forty".