2089981152 has 144 divisors (see below), whose sum is σ = 7150066560. Its totient is φ = 565698816.

The previous prime is 2089981147. The next prime is 2089981177. The reversal of 2089981152 is 2511899802.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2089981098 and 2089981107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11023 + ... + 65585.

It is an arithmetic number, because the mean of its divisors is an integer number (49653240).

Almost surely, 2^2089981152 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 2089981152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3575033280).

2089981152 is an abundant number, since it is smaller than the sum of its proper divisors (5060085408).

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

2089981152 is a wasteful number, since it uses less digits than its factorization.

2089981152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54605 (or 54594 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 2089981152 is about 45716.3116622503. The cubic root of 2089981152 is about 1278.5394212404.

The spelling of 2089981152 in words is "two billion, eighty-nine million, nine hundred eighty-one thousand, one hundred fifty-two".