2028618490 has 16 divisors (see below), whose sum is σ = 3658009248. Its totient is φ = 810003856.

The previous prime is 2028618481. The next prime is 2028618491. The reversal of 2028618490 is 948168202.

It is not an unprimeable number, because it can be changed into a prime (2028618491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174532 + ... + 185791.

It is an arithmetic number, because the mean of its divisors is an integer number (228625578).

Almost surely, 2^2028618490 is an apocalyptic number.

2028618490 is a deficient number, since it is larger than the sum of its proper divisors (1629390758).

2028618490 is a wasteful number, since it uses less digits than its factorization.

2028618490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360893.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 2028618490 is about 45040.1874996097. The cubic root of 2028618490 is about 1265.9021181042.

The spelling of 2028618490 in words is "two billion, twenty-eight million, six hundred eighteen thousand, four hundred ninety".