2049516080 has 40 divisors (see below), whose sum is σ = 4799432400. Its totient is φ = 813904128.

The previous prime is 2049516071. The next prime is 2049516083. The reversal of 2049516080 is 806159402.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2049516080.

It is not an unprimeable number, because it can be changed into a prime (2049516083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81035 + ... + 103274.

It is an arithmetic number, because the mean of its divisors is an integer number (119985810).

Almost surely, 2^2049516080 is an apocalyptic number.

2049516080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2049516080 is an abundant number, since it is smaller than the sum of its proper divisors (2749916320).

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

2049516080 is a wasteful number, since it uses less digits than its factorization.

2049516080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184461 (or 184455 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2049516080 is about 45271.5813728657. The cubic root of 2049516080 is about 1270.2341271705.

The spelling of 2049516080 in words is "two billion, forty-nine million, five hundred sixteen thousand, eighty".