2028172748 has 24 divisors (see below), whose sum is σ = 4155283104. Its totient is φ = 848016000.

The previous prime is 2028172747. The next prime is 2028172759. The reversal of 2028172748 is 8472718202.

It is a super-2 number, since 2×2028172748² = 8226969391459743008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (2028172747) 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, 882203 + ... + 884498.

It is an arithmetic number, because the mean of its divisors is an integer number (173136796).

Almost surely, 2^2028172748 is an apocalyptic number.

2028172748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2028172748 is an abundant number, since it is smaller than the sum of its proper divisors (2127110356).

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

2028172748 is a wasteful number, since it uses less digits than its factorization.

2028172748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766753 (or 1766751 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 41.

The square root of 2028172748 is about 45035.2389579538. The cubic root of 2028172748 is about 1265.8093937407.

The spelling of 2028172748 in words is "two billion, twenty-eight million, one hundred seventy-two thousand, seven hundred forty-eight".