2049660288 has 384 divisors, whose sum is σ = 6814473120. Its totient is φ = 609140736.

The previous prime is 2049660281. The next prime is 2049660311. The reversal of 2049660288 is 8820669402.

2049660288 is a `hidden beast` number, since 20 + 496 + 60 + 2 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×2049660288² = 8402214592408485888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049660281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14960956 + ... + 14961092.

Almost surely, 2^2049660288 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 2049660288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3407236560).

2049660288 is an abundant number, since it is smaller than the sum of its proper divisors (4764812832).

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

2049660288 is a wasteful number, since it uses less digits than its factorization.

2049660288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 2049660288 is about 45273.1740437977. The cubic root of 2049660288 is about 1270.2639185326.

The spelling of 2049660288 in words is "two billion, forty-nine million, six hundred sixty thousand, two hundred eighty-eight".