845739582128 has 240 divisors, whose sum is σ = 2081025359424. Its totient is φ = 330605936640.

The previous prime is 845739582119. The next prime is 845739582133. The reversal of 845739582128 is 821285937548.

It is a super-3 number, since 3×845739582128³ (a number of 37 digits) contains 333 as substring.

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, 129691508 + ... + 129698028.

Almost surely, 2^845739582128 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 845739582128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040512679712).

845739582128 is an abundant number, since it is smaller than the sum of its proper divisors (1235285777296).

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

845739582128 is a wasteful number, since it uses less digits than its factorization.

845739582128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860 (or 6847 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 62.

The spelling of 845739582128 in words is "eight hundred forty-five billion, seven hundred thirty-nine million, five hundred eighty-two thousand, one hundred twenty-eight".