52263446436 has 18 divisors (see below), whose sum is σ = 132110378582. Its totient is φ = 17421148800.

The previous prime is 52263446429. The next prime is 52263446467. The reversal of 52263446436 is 63464436225.

52263446436 is a `hidden beast` number, since 5 + 2 + 2 + 634 + 4 + 6 + 4 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32001632100 + 20261814336 = 178890^2 + 142344^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×52263446436² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52263446391 and 52263446400.

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 5 ways as a sum of consecutive naturals, for example, 725881165 + ... + 725881236.

Almost surely, 2^52263446436 is an apocalyptic number.

It is an amenable number.

52263446436 is an abundant number, since it is smaller than the sum of its proper divisors (79846932146).

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

52263446436 is a wasteful number, since it uses less digits than its factorization.

52263446436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451762411 (or 1451762406 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 45.

The spelling of 52263446436 in words is "fifty-two billion, two hundred sixty-three million, four hundred forty-six thousand, four hundred thirty-six".