52188084240 has 80 divisors (see below), whose sum is σ = 164061749376. Its totient is φ = 13720806400.

The previous prime is 52188084233. The next prime is 52188084283. The reversal of 52188084240 is 4248088125.

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

It is a super-2 number, since 2×52188084240² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52188084192 and 52188084201.

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, 1514301 + ... + 1548380.

Almost surely, 2^52188084240 is an apocalyptic number.

It is an amenable number.

52188084240 is an abundant number, since it is smaller than the sum of its proper divisors (111873665136).

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

52188084240 is a wasteful number, since it uses less digits than its factorization.

52188084240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062768 (or 3062762 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 52188084240 in words is "fifty-two billion, one hundred eighty-eight million, eighty-four thousand, two hundred forty".