52142443452 has 432 divisors, whose sum is σ = 160742050560. Its totient is φ = 14078131200.

The previous prime is 52142443447. The next prime is 52142443453. The reversal of 52142443452 is 25434424125.

52142443452 is a `hidden beast` number, since 5 + 214 + 2 + 4 + 434 + 5 + 2 = 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 (52142443453) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 734400577 + ... + 734400647.

It is an arithmetic number, because the mean of its divisors is an integer number (372088080).

Almost surely, 2^52142443452 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 52142443452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80371025280).

52142443452 is an abundant number, since it is smaller than the sum of its proper divisors (108599607108).

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

52142443452 is a wasteful number, since it uses less digits than its factorization.

52142443452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 206 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

Adding to 52142443452 its reverse (25434424125), we get a palindrome (77576867577).

It can be divided in two parts, 52142 and 443452, that added together give a palindrome (495594).

The spelling of 52142443452 in words is "fifty-two billion, one hundred forty-two million, four hundred forty-three thousand, four hundred fifty-two".