63645630144 has 56 divisors (see below), whose sum is σ = 168418995648. Its totient is φ = 21212279040.

The previous prime is 63645630127. The next prime is 63645630157. The reversal of 63645630144 is 44103654636.

63645630144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63645630096 and 63645630105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711719 + ... + 1748505.

Almost surely, 2^63645630144 is an apocalyptic number.

63645630144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

63645630144 is an abundant number, since it is smaller than the sum of its proper divisors (104773365504).

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

63645630144 is a wasteful number, since it uses less digits than its factorization.

63645630144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45813 (or 45803 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 63645630144 in words is "sixty-three billion, six hundred forty-five million, six hundred thirty thousand, one hundred forty-four".