2190881592 has 96 divisors (see below), whose sum is σ = 6108270480. Its totient is φ = 708894720.

The previous prime is 2190881591. The next prime is 2190881593. The reversal of 2190881592 is 2951880912.

It is an interprime number because it is at equal distance from previous prime (2190881591) and next prime (2190881593).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190881591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1706983 + ... + 1708265.

Almost surely, 2^2190881592 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 2190881592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3054135240).

2190881592 is an abundant number, since it is smaller than the sum of its proper divisors (3917388888).

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

2190881592 is a wasteful number, since it uses less digits than its factorization.

2190881592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1966 counting only the distinct ones).

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

The square root of 2190881592 is about 46806.8541134736. The cubic root of 2190881592 is about 1298.7920914190.

The spelling of 2190881592 in words is "two billion, one hundred ninety million, eight hundred eighty-one thousand, five hundred ninety-two".