2104372880 has 80 divisors (see below), whose sum is σ = 5199135984. Its totient is φ = 789381120.

The previous prime is 2104372861. The next prime is 2104372903. The reversal of 2104372880 is 882734012.

It can be written as a sum of positive squares in 8 ways, for example, as 44302336 + 2060070544 = 6656^2 + 45388^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 2104372880.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 395840 + ... + 401120.

Almost surely, 2^2104372880 is an apocalyptic number.

2104372880 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 2104372880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2599567992).

2104372880 is an abundant number, since it is smaller than the sum of its proper divisors (3094763104).

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

2104372880 is a wasteful number, since it uses less digits than its factorization.

2104372880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604 (or 5598 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 2104372880 is about 45873.4441698026. Note that the first 3 decimals coincide. The cubic root of 2104372880 is about 1281.4674088971.

The spelling of 2104372880 in words is "two billion, one hundred four million, three hundred seventy-two thousand, eight hundred eighty".