2049827988 has 96 divisors (see below), whose sum is σ = 5389203456. Its totient is φ = 601679232.

The previous prime is 2049827981. The next prime is 2049827993. The reversal of 2049827988 is 8897289402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049827981) 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, 2320995 + ... + 2321877.

It is an arithmetic number, because the mean of its divisors is an integer number (56137536).

Almost surely, 2^2049827988 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 2049827988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2694601728).

2049827988 is an abundant number, since it is smaller than the sum of its proper divisors (3339375468).

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

2049827988 is a wasteful number, since it uses less digits than its factorization.

2049827988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1571 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 2049827988 is about 45275.0260960720. The cubic root of 2049827988 is about 1270.2985612570.

The spelling of 2049827988 in words is "two billion, forty-nine million, eight hundred twenty-seven thousand, nine hundred eighty-eight".