2040658009 has 16 divisors (see below), whose sum is σ = 2254998592. Its totient is φ = 1834757568.

The previous prime is 2040657991. The next prime is 2040658021. The reversal of 2040658009 is 9008560402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2040658009 - 2⁵ = 2040657977 is a prime.

It is a super-3 number, since 3×2040658009³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040658069) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 203614 + ... + 213400.

It is an arithmetic number, because the mean of its divisors is an integer number (140937412).

Almost surely, 2^2040658009 is an apocalyptic number.

It is an amenable number.

2040658009 is a deficient number, since it is larger than the sum of its proper divisors (214340583).

2040658009 is a wasteful number, since it uses less digits than its factorization.

2040658009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2040658009 is about 45173.6428573123. The cubic root of 2040658009 is about 1268.4014875094.

The spelling of 2040658009 in words is "two billion, forty million, six hundred fifty-eight thousand, nine".