63542972572560 has 480 divisors, whose sum is σ = 233915874113376. Its totient is φ = 15362887680000.

The previous prime is 63542972572553. The next prime is 63542972572601. The reversal of 63542972572560 is 6527527924536.

63542972572560 is a `hidden beast` number, since 6 + 3 + 5 + 4 + 2 + 9 + 7 + 2 + 572 + 56 + 0 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 46400292274176 + 17142680298384 = 6811776^2 + 4140372^2 .

It is a super-2 number, since 2×63542972572560² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 400163580 + ... + 400322340.

Almost surely, 2^{63542972572560} is an apocalyptic number.

63542972572560 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 63542972572560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116957937056688).

63542972572560 is an abundant number, since it is smaller than the sum of its proper divisors (170372901540816).

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

63542972572560 is a wasteful number, since it uses less digits than its factorization.

63542972572560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159555 (or 159546 counting only the distinct ones).

The product of its (nonzero) digits is 190512000, while the sum is 63.

The spelling of 63542972572560 in words is "sixty-three trillion, five hundred forty-two billion, nine hundred seventy-two million, five hundred seventy-two thousand, five hundred sixty".