52231013040 has 80 divisors (see below), whose sum is σ = 162189628128. Its totient is φ = 13904744448.

The previous prime is 52231012973. The next prime is 52231013047. The reversal of 52231013040 is 4031013225.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 52231012998 and 52231013016.

It is not an unprimeable number, because it can be changed into a prime (52231013047) 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 15 ways as a sum of consecutive naturals, for example, 41179 + ... + 325818.

Almost surely, 2^52231013040 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 52231013040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81094814064).

52231013040 is an abundant number, since it is smaller than the sum of its proper divisors (109958615088).

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

52231013040 is a wasteful number, since it uses less digits than its factorization.

52231013040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367606 (or 367600 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 52231013040 its reverse (4031013225), we get a palindrome (56262026265).

The spelling of 52231013040 in words is "fifty-two billion, two hundred thirty-one million, thirteen thousand, forty".