2154028328 has 32 divisors (see below), whose sum is σ = 4257316800. Its totient is φ = 1018902528.

The previous prime is 2154028321. The next prime is 2154028339. The reversal of 2154028328 is 8238204512.

It is not an unprimeable number, because it can be changed into a prime (2154028321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103400 + ... + 122472.

It is an arithmetic number, because the mean of its divisors is an integer number (133041150).

Almost surely, 2^2154028328 is an apocalyptic number.

It is an amenable number.

2154028328 is a deficient number, since it is larger than the sum of its proper divisors (2103288472).

2154028328 is a wasteful number, since it uses less digits than its factorization.

2154028328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19841 (or 19837 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 2154028328 is about 46411.5107274047. The cubic root of 2154028328 is about 1291.4684573630.

The spelling of 2154028328 in words is "two billion, one hundred fifty-four million, twenty-eight thousand, three hundred twenty-eight".