2389515044 has 12 divisors (see below), whose sum is σ = 4779030144. Its totient is φ = 1024077864.

The previous prime is 2389514983. The next prime is 2389515067. The reversal of 2389515044 is 4405159832.

2389515044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2389514992 and 2389515010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42669884 + ... + 42669939.

It is an arithmetic number, because the mean of its divisors is an integer number (398252512).

Almost surely, 2^2389515044 is an apocalyptic number.

It is an amenable number.

2389515044 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.

2389515044 is a wasteful number, since it uses less digits than its factorization.

2389515044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85339834 (or 85339832 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 2389515044 is about 48882.6660893205. Note that the first 3 decimals coincide. The cubic root of 2389515044 is about 1336.9133387070.

The spelling of 2389515044 in words is "two billion, three hundred eighty-nine million, five hundred fifteen thousand, forty-four".