63563394480 has 160 divisors (see below), whose sum is σ = 204052082688. Its totient is φ = 16351104000.

The previous prime is 63563394473. The next prime is 63563394533. The reversal of 63563394480 is 8449336536.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 2345005 + ... + 2371955.

Almost surely, 2^63563394480 is an apocalyptic number.

63563394480 is a gapful number since it is divisible by the number (60) 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 63563394480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102026041344).

63563394480 is an abundant number, since it is smaller than the sum of its proper divisors (140488688208).

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

63563394480 is a wasteful number, since it uses less digits than its factorization.

63563394480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27315 (or 27309 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 63563394480 in words is "sixty-three billion, five hundred sixty-three million, three hundred ninety-four thousand, four hundred eighty".