2028012672 has 128 divisors (see below), whose sum is σ = 6424335360. Its totient is φ = 554222592.

The previous prime is 2028012647. The next prime is 2028012673. The reversal of 2028012672 is 2762108202.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2028012672² = 8225670795585159168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028012673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45423 + ... + 78225.

It is an arithmetic number, because the mean of its divisors is an integer number (50190120).

Almost surely, 2^2028012672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2028012672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3212167680).

2028012672 is an abundant number, since it is smaller than the sum of its proper divisors (4396322688).

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

2028012672 is a wasteful number, since it uses less digits than its factorization.

2028012672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32850 (or 32838 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2028012672 is about 45033.4616923905. The cubic root of 2028012672 is about 1265.7760910161.

The spelling of 2028012672 in words is "two billion, twenty-eight million, twelve thousand, six hundred seventy-two".