2045105928 has 32 divisors (see below), whose sum is σ = 5680850400. Its totient is φ = 681701904.

The previous prime is 2045105893. The next prime is 2045105941. The reversal of 2045105928 is 8295015402.

2045105928 is a `hidden beast` number, since 20 + 45 + 1 + 0 + 592 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2045105892 and 2045105901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4733826 + ... + 4734257.

It is an arithmetic number, because the mean of its divisors is an integer number (177526575).

Almost surely, 2^2045105928 is an apocalyptic number.

It is an amenable number.

2045105928 is an abundant number, since it is smaller than the sum of its proper divisors (3635744472).

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

2045105928 is a wasteful number, since it uses less digits than its factorization.

2045105928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468098 (or 9468088 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 2045105928 is about 45222.8474114579. The cubic root of 2045105928 is about 1269.3223756081.

The spelling of 2045105928 in words is "two billion, forty-five million, one hundred five thousand, nine hundred twenty-eight".