2049516078 has 8 divisors (see below), whose sum is σ = 4099032168. Its totient is φ = 683172024.

The previous prime is 2049516071. The next prime is 2049516083. The reversal of 2049516078 is 8706159402.

It is a sphenic number, since it is the product of 3 distinct primes.

2049516078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049516071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170793001 + ... + 170793012.

It is an arithmetic number, because the mean of its divisors is an integer number (512379021).

Almost surely, 2^2049516078 is an apocalyptic number.

2049516078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2049516078 is a wasteful number, since it uses less digits than its factorization.

2049516078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341586018.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 2049516078 is about 45271.5813507768. The cubic root of 2049516078 is about 1270.2341267573.

The spelling of 2049516078 in words is "two billion, forty-nine million, five hundred sixteen thousand, seventy-eight".