898775567040 has 224 divisors, whose sum is σ = 3100321699776. Its totient is φ = 219278868480.

The previous prime is 898775566991. The next prime is 898775567111. The reversal of 898775567040 is 40765577898.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1091580 + ... + 1728900.

It is an arithmetic number, because the mean of its divisors is an integer number (13840721874).

Almost surely, 2^898775567040 is an apocalyptic number.

898775567040 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 898775567040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550160849888).

898775567040 is an abundant number, since it is smaller than the sum of its proper divisors (2201546132736).

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

898775567040 is a wasteful number, since it uses less digits than its factorization.

898775567040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637467 (or 637457 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 66.

The spelling of 898775567040 in words is "eight hundred ninety-eight billion, seven hundred seventy-five million, five hundred sixty-seven thousand, forty".