52040112240 has 80 divisors (see below), whose sum is σ = 165684493728. Its totient is φ = 13502297088.

The previous prime is 52040112227. The next prime is 52040112251. The reversal of 52040112240 is 4221104025.

It is a tau number, because it is divible by the number of its divisors (80).

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, 2921307 + ... + 2939066.

Almost surely, 2^52040112240 is an apocalyptic number.

It is an amenable number.

52040112240 is an abundant number, since it is smaller than the sum of its proper divisors (113644381488).

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

52040112240 is a wasteful number, since it uses less digits than its factorization.

52040112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860426 (or 5860420 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 52040112240 its reverse (4221104025), we get a palindrome (56261216265).

The spelling of 52040112240 in words is "fifty-two billion, forty million, one hundred twelve thousand, two hundred forty".