2028628506 has 16 divisors (see below), whose sum is σ = 4126024800. Its totient is φ = 664748208.

The previous prime is 2028628493. The next prime is 2028628541. The reversal of 2028628506 is 6058268202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864941 + ... + 2865648.

It is an arithmetic number, because the mean of its divisors is an integer number (257876550).

Almost surely, 2^2028628506 is an apocalyptic number.

2028628506 is an abundant number, since it is smaller than the sum of its proper divisors (2097396294).

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

2028628506 is a wasteful number, since it uses less digits than its factorization.

2028628506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730653.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2028628506 is about 45040.2986890629. The cubic root of 2028628506 is about 1265.9042015015.

The spelling of 2028628506 in words is "two billion, twenty-eight million, six hundred twenty-eight thousand, five hundred six".