2085919992 has 256 divisors, whose sum is σ = 6791299200. Its totient is φ = 587243520.

The previous prime is 2085919939. The next prime is 2085919999. The reversal of 2085919992 is 2999195802.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085919999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1765642 + ... + 1766822.

Almost surely, 2^2085919992 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 2085919992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3395649600).

2085919992 is an abundant number, since it is smaller than the sum of its proper divisors (4705379208).

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

2085919992 is a wasteful number, since it uses less digits than its factorization.

2085919992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The square root of 2085919992 is about 45671.8730949367. The cubic root of 2085919992 is about 1277.7107502943.

The spelling of 2085919992 in words is "two billion, eighty-five million, nine hundred nineteen thousand, nine hundred ninety-two".