2049811760 has 80 divisors (see below), whose sum is σ = 4970848512. Its totient is φ = 785203200.

The previous prime is 2049811723. The next prime is 2049811781. The reversal of 2049811760 is 671189402.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236300 + ... + 244820.

Almost surely, 2^2049811760 is an apocalyptic number.

2049811760 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 2049811760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2485424256).

2049811760 is an abundant number, since it is smaller than the sum of its proper divisors (2921036752).

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

2049811760 is a wasteful number, since it uses less digits than its factorization.

2049811760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662 (or 8656 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 2049811760 is about 45274.8468799178. The cubic root of 2049811760 is about 1270.2952090311.

The spelling of 2049811760 in words is "two billion, forty-nine million, eight hundred eleven thousand, seven hundred sixty".