868446003600 has 900 divisors, whose sum is σ = 3759734968704. Its totient is φ = 188036743680.

The previous prime is 868446003599. The next prime is 868446003671. The reversal of 868446003600 is 6300644868.

868446003600 is a `hidden beast` number, since 8 + 6 + 8 + 4 + 4 + 600 + 36 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (900).

It is a super-2 number, since 2×868446003600² (a number of 25 digits) contains 22 as substring.

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

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 179 ways as a sum of consecutive naturals, for example, 81869497 + ... + 81880103.

Almost surely, 2^868446003600 is an apocalyptic number.

868446003600 is a gapful number since it is divisible by the number (80) 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 868446003600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879867484352).

868446003600 is an abundant number, since it is smaller than the sum of its proper divisors (2891288965104).

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

868446003600 is a wasteful number, since it uses less digits than its factorization.

868446003600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10682 (or 10643 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 868446003600 in words is "eight hundred sixty-eight billion, four hundred forty-six million, three thousand, six hundred".