63441200068560 has 120 divisors (see below), whose sum is σ = 218814986094120. Its totient is φ = 16460419470336.

The previous prime is 63441200068553. The next prime is 63441200068619. The reversal of 63441200068560 is 6586000214436.

63441200068560 is a `hidden beast` number, since 6 + 3 + 4 + 4 + 1 + 20 + 0 + 0 + 68 + 560 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 38097386046864 + 25343814021696 = 6172308^2 + 5034264^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×63441200068560² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1190686575 + ... + 1190739854.

It is an arithmetic number, because the mean of its divisors is an integer number (1823458217451).

Almost surely, 2^{63441200068560} is an apocalyptic number.

63441200068560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63441200068560 is an abundant number, since it is smaller than the sum of its proper divisors (155373786025560).

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

63441200068560 is a wasteful number, since it uses less digits than its factorization.

63441200068560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381426485 (or 2381426476 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 63441200068560 in words is "sixty-three trillion, four hundred forty-one billion, two hundred million, sixty-eight thousand, five hundred sixty".