63528480 has 144 divisors (see below), whose sum is σ = 218948184. Its totient is φ = 16773120.

The previous prime is 63528433. The next prime is 63528481. The reversal of 63528480 is 8482536.

It can be written as a sum of positive squares in 4 ways, for example, as 49956624 + 13571856 = 7068^2 + 3684^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×63528480² = 8071735542220800, which contains 22 as substring.

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 (63528481) 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, 225940 + ... + 226220.

Almost surely, 2^63528480 is an apocalyptic number.

63528480 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 63528480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109474092).

63528480 is an abundant number, since it is smaller than the sum of its proper divisors (155419704).

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

63528480 is a wasteful number, since it uses less digits than its factorization.

63528480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 63528480 is about 7970.4755190641. The cubic root of 63528480 is about 399.0152442967.

The spelling of 63528480 in words is "sixty-three million, five hundred twenty-eight thousand, four hundred eighty".