2040219685 has 16 divisors (see below), whose sum is σ = 2799724032. Its totient is φ = 1398153600.

The previous prime is 2040219679. The next prime is 2040219689. The reversal of 2040219685 is 5869120402.

It is not a de Polignac number, because 2040219685 - 2⁵ = 2040219653 is a prime.

It is a super-2 number, since 2×2040219685² = 8324992726122998450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040219689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43300 + ... + 77170.

It is an arithmetic number, because the mean of its divisors is an integer number (174982752).

Almost surely, 2^2040219685 is an apocalyptic number.

It is an amenable number.

2040219685 is a deficient number, since it is larger than the sum of its proper divisors (759504347).

2040219685 is a wasteful number, since it uses less digits than its factorization.

2040219685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35604.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2040219685 is about 45168.7910509015. The cubic root of 2040219685 is about 1268.3106653951.

The spelling of 2040219685 in words is "two billion, forty million, two hundred nineteen thousand, six hundred eighty-five".