2040144653 has 8 divisors (see below), whose sum is σ = 2162142072. Its totient is φ = 1918368256.

The previous prime is 2040144629. The next prime is 2040144661. The reversal of 2040144653 is 3564410402.

It can be written as a sum of positive squares in 4 ways, for example, as 884348644 + 1155796009 = 29738^2 + 33997^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2040144653 - 2²² = 2035950349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040144683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36050 + ... + 73347.

It is an arithmetic number, because the mean of its divisors is an integer number (270267759).

Almost surely, 2^2040144653 is an apocalyptic number.

It is an amenable number.

2040144653 is a deficient number, since it is larger than the sum of its proper divisors (121997419).

2040144653 is a wasteful number, since it uses less digits than its factorization.

2040144653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110511.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2040144653 is about 45167.9604697843. The cubic root of 2040144653 is about 1268.2951172243.

The spelling of 2040144653 in words is "two billion, forty million, one hundred forty-four thousand, six hundred fifty-three".