2081590896 has 320 divisors, whose sum is σ = 7158398976. Its totient is φ = 505190400.

The previous prime is 2081590877. The next prime is 2081590897. The reversal of 2081590896 is 6980951802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081590897) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3995116 + ... + 3995636.

Almost surely, 2^2081590896 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 2081590896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3579199488).

2081590896 is an abundant number, since it is smaller than the sum of its proper divisors (5076808080).

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

2081590896 is a wasteful number, since it uses less digits than its factorization.

2081590896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 2081590896 is about 45624.4550214027. The cubic root of 2081590896 is about 1276.8262223652.

The spelling of 2081590896 in words is "two billion, eighty-one million, five hundred ninety thousand, eight hundred ninety-six".