63394560 has 108 divisors (see below), whose sum is σ = 219378432. Its totient is φ = 16902144.

The previous prime is 63394531. The next prime is 63394561. The reversal of 63394560 is 6549336.

63394560 is a `hidden beast` number, since 6 + 3 + 3 + 94 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (63394561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8769 + ... + 14271.

Almost surely, 2^63394560 is an apocalyptic number.

63394560 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 63394560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109689216).

63394560 is an abundant number, since it is smaller than the sum of its proper divisors (155983872).

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

63394560 is a wasteful number, since it uses less digits than its factorization.

63394560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530 (or 5513 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 63394560 is about 7962.0700825853. The cubic root of 63394560 is about 398.7346682260.

The spelling of 63394560 in words is "sixty-three million, three hundred ninety-four thousand, five hundred sixty".