13653494400 has 384 divisors, whose sum is σ = 55352707200. Its totient is φ = 2880552960.

The previous prime is 13653494399. The next prime is 13653494423. The reversal of 13653494400 is 449435631.

13653494400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 865786 + ... + 881414.

It is an arithmetic number, because the mean of its divisors is an integer number (144147675).

Almost surely, 2^13653494400 is an apocalyptic number.

13653494400 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 13653494400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27676353600).

13653494400 is an abundant number, since it is smaller than the sum of its proper divisors (41699212800).

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

13653494400 is a wasteful number, since it uses less digits than its factorization.

13653494400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15676 (or 15659 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 13653494400 in words is "thirteen billion, six hundred fifty-three million, four hundred ninety-four thousand, four hundred".