10389556800 has 1344 divisors, whose sum is σ = 47894077440. Its totient is φ = 2136637440.

The previous prime is 10389556729. The next prime is 10389556819. The reversal of 10389556800 is 865598301.

10389556800 is a `hidden beast` number, since 1 + 0 + 3 + 89 + 5 + 568 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 221054377 + ... + 221054423.

Almost surely, 2^10389556800 is an apocalyptic number.

10389556800 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 10389556800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23947038720).

10389556800 is an abundant number, since it is smaller than the sum of its proper divisors (37504520640).

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

10389556800 is a wasteful number, since it uses less digits than its factorization.

10389556800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 10389556800 in words is "ten billion, three hundred eighty-nine million, five hundred fifty-six thousand, eight hundred".