2042826845 has 54 divisors (see below), whose sum is σ = 2764350186. Its totient is φ = 1448867840.

The previous prime is 2042826829. The next prime is 2042826853. The reversal of 2042826845 is 5486282402.

It can be written as a sum of positive squares in 27 ways, for example, as 2030583844 + 12243001 = 45062^2 + 3499^2 .

It is not a de Polignac number, because 2042826845 - 2⁴ = 2042826829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 49825025 + ... + 49825065.

Almost surely, 2^2042826845 is an apocalyptic number.

It is an amenable number.

2042826845 is a deficient number, since it is larger than the sum of its proper divisors (721523341).

2042826845 is an equidigital number, since it uses as much as digits as its factorization.

2042826845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The square root of 2042826845 is about 45197.6420292032. The cubic root of 2042826845 is about 1268.8506858871.

The spelling of 2042826845 in words is "two billion, forty-two million, eight hundred twenty-six thousand, eight hundred forty-five".