2195929080 has 96 divisors (see below), whose sum is σ = 7146135360. Its totient is φ = 584812800.

The previous prime is 2195929033. The next prime is 2195929081. The reversal of 2195929080 is 809295912.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195929081) 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 23 ways as a sum of consecutive naturals, for example, 303505 + ... + 310655.

It is an arithmetic number, because the mean of its divisors is an integer number (74438910).

Almost surely, 2^2195929080 is an apocalyptic number.

2195929080 is a gapful number since it is divisible by the number (20) 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 2195929080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3573067680).

2195929080 is an abundant number, since it is smaller than the sum of its proper divisors (4950206280).

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

2195929080 is a wasteful number, since it uses less digits than its factorization.

2195929080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8021 (or 8014 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 2195929080 is about 46860.7413513700. The cubic root of 2195929080 is about 1299.7887388457.

The spelling of 2195929080 in words is "two billion, one hundred ninety-five million, nine hundred twenty-nine thousand, eighty".