63205480 has 64 divisors (see below), whose sum is σ = 154178640. Its totient is φ = 23181312.

The previous prime is 63205453. The next prime is 63205501. The reversal of 63205480 is 8450236.

It can be written as a sum of positive squares in 8 ways, for example, as 16337764 + 46867716 = 4042^2 + 6846^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 102132 + ... + 102748.

Almost surely, 2^63205480 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 63205480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77089320).

63205480 is an abundant number, since it is smaller than the sum of its proper divisors (90973160).

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

63205480 is a wasteful number, since it uses less digits than its factorization.

63205480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 63205480 is about 7950.1874191745. The cubic root of 63205480 is about 398.3378527330.

The spelling of 63205480 in words is "sixty-three million, two hundred five thousand, four hundred eighty".