2190685332 has 96 divisors (see below), whose sum is σ = 5957844480. Its totient is φ = 619470720.

The previous prime is 2190685319. The next prime is 2190685337. The reversal of 2190685332 is 2335860912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190685337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161518 + ... + 174554.

It is an arithmetic number, because the mean of its divisors is an integer number (62060880).

Almost surely, 2^2190685332 is an apocalyptic number.

2190685332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2190685332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2978922240).

2190685332 is an abundant number, since it is smaller than the sum of its proper divisors (3767159148).

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

2190685332 is a wasteful number, since it uses less digits than its factorization.

2190685332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13141 (or 13139 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 2190685332 is about 46804.7575786907. The cubic root of 2190685332 is about 1298.7533081656.

The spelling of 2190685332 in words is "two billion, one hundred ninety million, six hundred eighty-five thousand, three hundred thirty-two".