2049715872 has 144 divisors (see below), whose sum is σ = 5995866240. Its totient is φ = 663883776.

The previous prime is 2049715859. The next prime is 2049715883. The reversal of 2049715872 is 2785179402.

It is a happy number.

2049715872 is a `hidden beast` number, since 2 + 0 + 497 + 158 + 7 + 2 = 666.

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

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, 2205904 + ... + 2206832.

It is an arithmetic number, because the mean of its divisors is an integer number (41637960).

Almost surely, 2^2049715872 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 2049715872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2997933120).

2049715872 is an abundant number, since it is smaller than the sum of its proper divisors (3946150368).

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

2049715872 is a wasteful number, since it uses less digits than its factorization.

2049715872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 2049715872 is about 45273.7879130960. The cubic root of 2049715872 is about 1270.2754010389.

The spelling of 2049715872 in words is "two billion, forty-nine million, seven hundred fifteen thousand, eight hundred seventy-two".