52002104240 has 20 divisors (see below), whose sum is σ = 120904892544. Its totient is φ = 20800841664.

The previous prime is 52002104233. The next prime is 52002104251. The reversal of 52002104240 is 4240120025.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325013072 + ... + 325013231.

Almost surely, 2^52002104240 is an apocalyptic number.

It is an amenable number.

52002104240 is an abundant number, since it is smaller than the sum of its proper divisors (68902788304).

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

52002104240 is a wasteful number, since it uses less digits than its factorization.

52002104240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650026316 (or 650026310 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 52002104240 its reverse (4240120025), we get a palindrome (56242224265).

The spelling of 52002104240 in words is "fifty-two billion, two million, one hundred four thousand, two hundred forty".