52400403200 has 216 divisors, whose sum is σ = 136452599808. Its totient is φ = 19883888640.

The previous prime is 52400403199. The next prime is 52400403233. The reversal of 52400403200 is 230400425.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18692999 + ... + 18695801.

Almost surely, 2^52400403200 is an apocalyptic number.

52400403200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52400403200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68226299904).

52400403200 is an abundant number, since it is smaller than the sum of its proper divisors (84052196608).

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

52400403200 is a wasteful number, since it uses less digits than its factorization.

52400403200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 52400403200 its reverse (230400425), we get a palindrome (52630803625).

The spelling of 52400403200 in words is "fifty-two billion, four hundred million, four hundred three thousand, two hundred".