52400320330 has 32 divisors (see below), whose sum is σ = 95203771200. Its totient is φ = 20764490880.

The previous prime is 52400320327. The next prime is 52400320361. The reversal of 52400320330 is 3302300425.

It is a super-2 number, since 2×52400320330² (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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633721 + ... + 711619.

It is an arithmetic number, because the mean of its divisors is an integer number (2975117850).

Almost surely, 2^52400320330 is an apocalyptic number.

52400320330 is a deficient number, since it is larger than the sum of its proper divisors (42803450870).

52400320330 is a wasteful number, since it uses less digits than its factorization.

52400320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78534.

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 52400320330 its reverse (3302300425), we get a palindrome (55702620755).

The spelling of 52400320330 in words is "fifty-two billion, four hundred million, three hundred twenty thousand, three hundred thirty".