63005803280 has 120 divisors (see below), whose sum is σ = 172805814720. Its totient is φ = 21297642240.

The previous prime is 63005803261. The next prime is 63005803283. The reversal of 63005803280 is 8230850036.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 63005803280.

It is not an unprimeable number, because it can be changed into a prime (63005803283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165131 + ... + 391509.

It is an arithmetic number, because the mean of its divisors is an integer number (1440048456).

Almost surely, 2^63005803280 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 63005803280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86402907360).

63005803280 is an abundant number, since it is smaller than the sum of its proper divisors (109800011440).

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

63005803280 is a wasteful number, since it uses less digits than its factorization.

63005803280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226477 (or 226464 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 63005803280 in words is "sixty-three billion, five million, eight hundred three thousand, two hundred eighty".