13630636800 has 864 divisors, whose sum is σ = 55841425920. Its totient is φ = 3225600000.

The previous prime is 13630636787. The next prime is 13630636807. The reversal of 13630636800 is 863603631.

13630636800 is a `hidden beast` number, since 13 + 6 + 3 + 0 + 636 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

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 (13630636807) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 134956750 + ... + 134956850.

It is an arithmetic number, because the mean of its divisors is an integer number (64631280).

Almost surely, 2^13630636800 is an apocalyptic number.

13630636800 is a gapful number since it is divisible by the number (10) 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 13630636800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27920712960).

13630636800 is an abundant number, since it is smaller than the sum of its proper divisors (42210789120).

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

13630636800 is a wasteful number, since it uses less digits than its factorization.

13630636800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 13630636800 in words is "thirteen billion, six hundred thirty million, six hundred thirty-six thousand, eight hundred".