52631360020040 has 128 divisors (see below), whose sum is σ = 127767986012160. Its totient is φ = 19437913657344.

The previous prime is 52631360020037. The next prime is 52631360020081. The reversal of 52631360020040 is 4002006313625.

52631360020040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52631360019979 and 52631360020006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307227449 + ... + 307398711.

It is an arithmetic number, because the mean of its divisors is an integer number (998187390720).

Almost surely, 2^{52631360020040} 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 52631360020040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63883993006080).

52631360020040 is an abundant number, since it is smaller than the sum of its proper divisors (75136625992120).

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

52631360020040 is a wasteful number, since it uses less digits than its factorization.

52631360020040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179871 (or 179867 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 52631360020040 its reverse (4002006313625), we get a palindrome (56633366333665).

The spelling of 52631360020040 in words is "fifty-two trillion, six hundred thirty-one billion, three hundred sixty million, twenty thousand, forty".