52405350044220 has 72 divisors (see below), whose sum is σ = 168313653681264. Its totient is φ = 13152715304448.

The previous prime is 52405350044213. The next prime is 52405350044221. The reversal of 52405350044220 is 2244005350425.

52405350044220 is a `hidden beast` number, since 5 + 2 + 40 + 5 + 350 + 0 + 44 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52405350044221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8562962634 + ... + 8562968753.

It is an arithmetic number, because the mean of its divisors is an integer number (2337689634462).

Almost surely, 2^{52405350044220} is an apocalyptic number.

It is an amenable number.

52405350044220 is an abundant number, since it is smaller than the sum of its proper divisors (115908303637044).

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

52405350044220 is a wasteful number, since it uses less digits than its factorization.

52405350044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17125931419 (or 17125931414 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 52405350044220 its reverse (2244005350425), we get a palindrome (54649355394645).

The spelling of 52405350044220 in words is "fifty-two trillion, four hundred five billion, three hundred fifty million, forty-four thousand, two hundred twenty".