63143430400 has 216 divisors, whose sum is σ = 162227681000. Its totient is φ = 24312545280.

The previous prime is 63143430377. The next prime is 63143430431. The reversal of 63143430400 is 403434136.

It can be written as a sum of positive squares in 12 ways, for example, as 17196650496 + 45946779904 = 131136^2 + 214352^2 .

It is a congruent number.

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, 22968226 + ... + 22970974.

Almost surely, 2^63143430400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63143430400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81113840500).

63143430400 is an abundant number, since it is smaller than the sum of its proper divisors (99084250600).

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

63143430400 is a wasteful number, since it uses less digits than its factorization.

63143430400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909 (or 2890 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 63143430400 its reverse (403434136), we get a palindrome (63546864536).

The spelling of 63143430400 in words is "sixty-three billion, one hundred forty-three million, four hundred thirty thousand, four hundred".