845748049536 has 384 divisors, whose sum is σ = 2691527529600. Its totient is φ = 253308542976.

The previous prime is 845748049519. The next prime is 845748049537. The reversal of 845748049536 is 635940847548.

845748049536 is a `hidden beast` number, since 8 + 4 + 57 + 4 + 8 + 0 + 49 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (845748049537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91004506 + ... + 91013798.

It is an arithmetic number, because the mean of its divisors is an integer number (7009186275).

Almost surely, 2^845748049536 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 845748049536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345763764800).

845748049536 is an abundant number, since it is smaller than the sum of its proper divisors (1845779480064).

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

845748049536 is a wasteful number, since it uses less digits than its factorization.

845748049536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488 (or 9473 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 63.

The spelling of 845748049536 in words is "eight hundred forty-five billion, seven hundred forty-eight million, forty-nine thousand, five hundred thirty-six".