2006439045 has 32 divisors (see below), whose sum is σ = 3639216000. Its totient is φ = 935794944.

The previous prime is 2006438999. The next prime is 2006439047. The reversal of 2006439045 is 5409346002.

It is not a de Polignac number, because 2006439045 - 2⁶ = 2006438981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2006438997 and 2006439015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006439047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267070 + ... + 274479.

It is an arithmetic number, because the mean of its divisors is an integer number (113725500).

Almost surely, 2^2006439045 is an apocalyptic number.

It is an amenable number.

2006439045 is a deficient number, since it is larger than the sum of its proper divisors (1632776955).

2006439045 is a wasteful number, since it uses less digits than its factorization.

2006439045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541589.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2006439045 is about 44793.2924108063. The cubic root of 2006439045 is about 1261.2717161529.

The spelling of 2006439045 in words is "two billion, six million, four hundred thirty-nine thousand, forty-five".