2028126444 has 24 divisors (see below), whose sum is σ = 4778242560. Its totient is φ = 669478224.

The previous prime is 2028126439. The next prime is 2028126449. The reversal of 2028126444 is 4446218202.

It is an interprime number because it is at equal distance from previous prime (2028126439) and next prime (2028126449).

It is a super-2 number, since 2×2028126444² = 8226593745704170272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028126449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819204 + ... + 821675.

It is an arithmetic number, because the mean of its divisors is an integer number (199093440).

Almost surely, 2^2028126444 is an apocalyptic number.

It is an amenable number.

2028126444 is an abundant number, since it is smaller than the sum of its proper divisors (2750116116).

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

2028126444 is a wasteful number, since it uses less digits than its factorization.

2028126444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640989 (or 1640987 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 2028126444 is about 45034.7248687055. The cubic root of 2028126444 is about 1265.7997606881.

The spelling of 2028126444 in words is "two billion, twenty-eight million, one hundred twenty-six thousand, four hundred forty-four".