52313152240 has 160 divisors (see below), whose sum is σ = 132029263872. Its totient is φ = 19219200000.

The previous prime is 52313152237. The next prime is 52313152247. The reversal of 52313152240 is 4225131325.

52313152240 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 = 52313152199 and 52313152208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52313152247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7468740 + ... + 7475740.

Almost surely, 2^52313152240 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 52313152240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66014631936).

52313152240 is an abundant number, since it is smaller than the sum of its proper divisors (79716111632).

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

52313152240 is a wasteful number, since it uses less digits than its factorization.

52313152240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7199 (or 7193 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 52313152240 its reverse (4225131325), we get a palindrome (56538283565).

The spelling of 52313152240 in words is "fifty-two billion, three hundred thirteen million, one hundred fifty-two thousand, two hundred forty".