2028102428 has 12 divisors (see below), whose sum is σ = 3871831992. Its totient is φ = 921864720.

The previous prime is 2028102421. The next prime is 2028102437. The reversal of 2028102428 is 8242018202.

It is a super-2 number, since 2×2028102428² = 8226398916918990368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028102428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028102421) 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, 23046575 + ... + 23046662.

It is an arithmetic number, because the mean of its divisors is an integer number (322652666).

Almost surely, 2^2028102428 is an apocalyptic number.

It is an amenable number.

2028102428 is a deficient number, since it is larger than the sum of its proper divisors (1843729564).

2028102428 is a wasteful number, since it uses less digits than its factorization.

2028102428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46093252 (or 46093250 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 2028102428 is about 45034.4582292271. The cubic root of 2028102428 is about 1265.7947643581.

The spelling of 2028102428 in words is "two billion, twenty-eight million, one hundred two thousand, four hundred twenty-eight".