52442134040 has 64 divisors (see below), whose sum is σ = 120940434720. Its totient is φ = 20453760000.

The previous prime is 52442134039. The next prime is 52442134109. The reversal of 52442134040 is 4043124425.

52442134040 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 = 52442133994 and 52442134012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3290090 + ... + 3305990.

Almost surely, 2^52442134040 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 52442134040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60470217360).

52442134040 is an abundant number, since it is smaller than the sum of its proper divisors (68498300680).

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

52442134040 is a wasteful number, since it uses less digits than its factorization.

52442134040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17964 (or 17960 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 52442134040 its reverse (4043124425), we get a palindrome (56485258465).

The spelling of 52442134040 in words is "fifty-two billion, four hundred forty-two million, one hundred thirty-four thousand, forty".