52143412240 has 40 divisors (see below), whose sum is σ = 126504456768. Its totient is φ = 19950522240.

The previous prime is 52143412229. The next prime is 52143412253. The reversal of 52143412240 is 4221434125.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 52143412199 and 52143412208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14167566 + ... + 14171245.

Almost surely, 2^52143412240 is an apocalyptic number.

It is an amenable number.

52143412240 is an abundant number, since it is smaller than the sum of its proper divisors (74361044528).

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

52143412240 is a wasteful number, since it uses less digits than its factorization.

52143412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28338847 (or 28338841 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 52143412240 its reverse (4221434125), we get a palindrome (56364846365).

The spelling of 52143412240 in words is "fifty-two billion, one hundred forty-three million, four hundred twelve thousand, two hundred forty".