898740570816 has 448 divisors, whose sum is σ = 3031512514560. Its totient is φ = 258437329920.

The previous prime is 898740570797. The next prime is 898740570823. The reversal of 898740570816 is 618075047898.

898740570816 is a `hidden beast` number, since 8 + 9 + 8 + 7 + 40 + 570 + 8 + 16 = 666.

It is a super-2 number, since 2×898740570816² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55514275 + ... + 55530461.

Almost surely, 2^898740570816 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 898740570816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515756257280).

898740570816 is an abundant number, since it is smaller than the sum of its proper divisors (2132771943744).

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

898740570816 is a wasteful number, since it uses less digits than its factorization.

898740570816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16369 (or 16353 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 63.

The spelling of 898740570816 in words is "eight hundred ninety-eight billion, seven hundred forty million, five hundred seventy thousand, eight hundred sixteen".