63564322140 has 144 divisors (see below), whose sum is σ = 219485500416. Its totient is φ = 14739542400.

The previous prime is 63564322109. The next prime is 63564322183. The reversal of 63564322140 is 4122346536.

63564322140 is a `hidden beast` number, since 6 + 3 + 5 + 6 + 432 + 214 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 63564322095 and 63564322104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 652356 + ... + 743435.

It is an arithmetic number, because the mean of its divisors is an integer number (1524204864).

Almost surely, 2^63564322140 is an apocalyptic number.

63564322140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63564322140 is an abundant number, since it is smaller than the sum of its proper divisors (155921178276).

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

63564322140 is a wasteful number, since it uses less digits than its factorization.

63564322140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395840 (or 1395835 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 63564322140 its reverse (4122346536), we get a palindrome (67686668676).

The spelling of 63564322140 in words is "sixty-three billion, five hundred sixty-four million, three hundred twenty-two thousand, one hundred forty".