2538790818890 has 32 divisors (see below), whose sum is σ = 4699082336256. Its totient is φ = 986980493440.

The previous prime is 2538790818871. The next prime is 2538790818929. The reversal of 2538790818890 is 988180978352.

2538790818890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2538790818890.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11664362 + ... + 11880021.

It is an arithmetic number, because the mean of its divisors is an integer number (146846323008).

Almost surely, 2^{2538790818890} is an apocalyptic number.

2538790818890 is a deficient number, since it is larger than the sum of its proper divisors (2160291517366).

2538790818890 is a wasteful number, since it uses less digits than its factorization.

2538790818890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23544694.

The product of its (nonzero) digits is 69672960, while the sum is 68.

The spelling of 2538790818890 in words is "two trillion, five hundred thirty-eight billion, seven hundred ninety million, eight hundred eighteen thousand, eight hundred ninety".