2040445031 has 8 divisors (see below), whose sum is σ = 2109476064. Its totient is φ = 1972144800.

The previous prime is 2040445019. The next prime is 2040445049. The reversal of 2040445031 is 1305440402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040445031 is a prime.

It is a super-2 number, since 2×2040445031² = 8326831849065181922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040444988 and 2040445006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040445051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177020 + ... + 188193.

It is an arithmetic number, because the mean of its divisors is an integer number (263684508).

Almost surely, 2^2040445031 is an apocalyptic number.

2040445031 is a deficient number, since it is larger than the sum of its proper divisors (69031033).

2040445031 is a wasteful number, since it uses less digits than its factorization.

2040445031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365401.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2040445031 is about 45171.2854698646. The cubic root of 2040445031 is about 1268.3573594211.

Adding to 2040445031 its reverse (1305440402), we get a palindrome (3345885433).

The spelling of 2040445031 in words is "two billion, forty million, four hundred forty-five thousand, thirty-one".