53335243626240 has 288 divisors, whose sum is σ = 174595178302272. Its totient is φ = 13867794432000.

The previous prime is 53335243626211. The next prime is 53335243626271. The reversal of 53335243626240 is 4262634253335.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 53335243626240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274005750 + ... + 274200330.

It is an arithmetic number, because the mean of its divisors is an integer number (606233257994).

Almost surely, 2^{53335243626240} 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 53335243626240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87297589151136).

53335243626240 is an abundant number, since it is smaller than the sum of its proper divisors (121259934676032).

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

53335243626240 is a wasteful number, since it uses less digits than its factorization.

53335243626240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196387 (or 196373 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 48.

Adding to 53335243626240 its reverse (4262634253335), we get a palindrome (57597877879575).

The spelling of 53335243626240 in words is "fifty-three trillion, three hundred thirty-five billion, two hundred forty-three million, six hundred twenty-six thousand, two hundred forty".