898360440864768 has 720 divisors, whose sum is σ = 3178526628775680. Its totient is φ = 238878889869312.

The previous prime is 898360440864751. The next prime is 898360440864839. The reversal of 898360440864768 is 867468044063898.

898360440864768 is a `hidden beast` number, since 8 + 9 + 8 + 3 + 60 + 4 + 4 + 0 + 86 + 476 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 877884028 + ... + 878906756.

It is an arithmetic number, because the mean of its divisors is an integer number (4414620317744).

Almost surely, 2^{898360440864768} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 898360440864768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589263314387840).

898360440864768 is an abundant number, since it is smaller than the sum of its proper divisors (2280166187910912).

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

898360440864768 is a wasteful number, since it uses less digits than its factorization.

898360440864768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022830 (or 1022801 counting only the distinct ones).

The product of its (nonzero) digits is 10701766656, while the sum is 81.

The spelling of 898360440864768 in words is "eight hundred ninety-eight trillion, three hundred sixty billion, four hundred forty million, eight hundred sixty-four thousand, seven hundred sixty-eight".