52260312420 has 36 divisors (see below), whose sum is σ = 158522948220. Its totient is φ = 13936083264.

The previous prime is 52260312409. The next prime is 52260312439. The reversal of 52260312420 is 2421306225.

It is a happy number.

52260312420 is a `hidden beast` number, since 5 + 2 + 2 + 603 + 12 + 42 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29003452416 + 23256860004 = 170304^2 + 152502^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×52260312420² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145167355 + ... + 145167714.

Almost surely, 2^52260312420 is an apocalyptic number.

It is an amenable number.

52260312420 is an abundant number, since it is smaller than the sum of its proper divisors (106262635800).

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

52260312420 is a wasteful number, since it uses less digits than its factorization.

52260312420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290335084 (or 290335079 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 52260312420 its reverse (2421306225), we get a palindrome (54681618645).

The spelling of 52260312420 in words is "fifty-two billion, two hundred sixty million, three hundred twelve thousand, four hundred twenty".