63204641280 has 640 divisors, whose sum is σ = 247731644160. Its totient is φ = 15146680320.

The previous prime is 63204641267. The next prime is 63204641299. The reversal of 63204641280 is 8214640236.

63204641280 is a `hidden beast` number, since 6 + 3 + 2 + 0 + 4 + 641 + 2 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-3 number, since 3×63204641280³ (a number of 33 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73750612 + ... + 73751468.

It is an arithmetic number, because the mean of its divisors is an integer number (387080694).

Almost surely, 2^63204641280 is an apocalyptic number.

63204641280 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 63204641280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123865822080).

63204641280 is an abundant number, since it is smaller than the sum of its proper divisors (184527002880).

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

63204641280 is a wasteful number, since it uses less digits than its factorization.

63204641280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 63204641280 in words is "sixty-three billion, two hundred four million, six hundred forty-one thousand, two hundred eighty".