6463452800 has 144 divisors (see below), whose sum is σ = 18574014870. Its totient is φ = 2215987200.

The previous prime is 6463452791. The next prime is 6463452811. The reversal of 6463452800 is 82543646.

It can be written as a sum of positive squares in 3 ways, for example, as 3651059776 + 2812393024 = 60424^2 + 53032^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 136190 + ... + 177410.

Almost surely, 2^6463452800 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 6463452800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9287007435).

6463452800 is an abundant number, since it is smaller than the sum of its proper divisors (12110562070).

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

6463452800 is a wasteful number, since it uses less digits than its factorization.

6463452800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41259 (or 41235 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 6463452800 is about 80395.6018697540. The cubic root of 6463452800 is about 1862.7512373725.

The spelling of 6463452800 in words is "six billion, four hundred sixty-three million, four hundred fifty-two thousand, eight hundred".