52400112320 has 56 divisors (see below), whose sum is σ = 127821159648. Its totient is φ = 20448819200.

The previous prime is 52400112313. The next prime is 52400112353. The reversal of 52400112320 is 2321100425.

It is a super-2 number, since 2×52400112320² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 52400112292 and 52400112301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1983836 + ... + 2010075.

It is an arithmetic number, because the mean of its divisors is an integer number (2282520708).

Almost surely, 2^52400112320 is an apocalyptic number.

It is an amenable number.

52400112320 is an abundant number, since it is smaller than the sum of its proper divisors (75421047328).

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

52400112320 is a wasteful number, since it uses less digits than its factorization.

52400112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993969 (or 3993959 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 52400112320 its reverse (2321100425), we get a palindrome (54721212745).

The spelling of 52400112320 in words is "fifty-two billion, four hundred million, one hundred twelve thousand, three hundred twenty".