2028915486 has 64 divisors (see below), whose sum is σ = 4864910400. Its totient is φ = 623075328.

The previous prime is 2028915433. The next prime is 2028915503. The reversal of 2028915486 is 6845198202.

2028915486 is a `hidden beast` number, since 20 + 2 + 89 + 1 + 548 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402550 + ... + 407558.

It is an arithmetic number, because the mean of its divisors is an integer number (76014225).

Almost surely, 2^2028915486 is an apocalyptic number.

2028915486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2028915486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2432455200).

2028915486 is an abundant number, since it is smaller than the sum of its proper divisors (2835994914).

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

2028915486 is a wasteful number, since it uses less digits than its factorization.

2028915486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610 (or 5604 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 2028915486 is about 45043.4843900869. The cubic root of 2028915486 is about 1265.9638924137.

The spelling of 2028915486 in words is "two billion, twenty-eight million, nine hundred fifteen thousand, four hundred eighty-six".