2107845428 has 12 divisors (see below), whose sum is σ = 3972478020. Its totient is φ = 972851712.

The previous prime is 2107845409. The next prime is 2107845469. The reversal of 2107845428 is 8245487012.

It can be written as a sum of positive squares in 2 ways, for example, as 1275061264 + 832784164 = 35708^2 + 28858^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 20267693 + ... + 20267796.

It is an arithmetic number, because the mean of its divisors is an integer number (331039835).

Almost surely, 2^2107845428 is an apocalyptic number.

It is an amenable number.

2107845428 is a deficient number, since it is larger than the sum of its proper divisors (1864632592).

2107845428 is a wasteful number, since it uses less digits than its factorization.

2107845428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40535506 (or 40535504 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 2107845428 is about 45911.2777866180. The cubic root of 2107845428 is about 1282.1718961516.

The spelling of 2107845428 in words is "two billion, one hundred seven million, eight hundred forty-five thousand, four hundred twenty-eight".