2040861823 has 32 divisors (see below), whose sum is σ = 2744017920. Its totient is φ = 1465896960.

The previous prime is 2040861793. The next prime is 2040861941. The reversal of 2040861823 is 3281680402.

It is not a de Polignac number, because 2040861823 - 2²¹ = 2038764671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040862823) 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, 1409686 + ... + 1411132.

It is an arithmetic number, because the mean of its divisors is an integer number (85750560).

Almost surely, 2^2040861823 is an apocalyptic number.

2040861823 is a deficient number, since it is larger than the sum of its proper divisors (703156097).

2040861823 is a wasteful number, since it uses less digits than its factorization.

2040861823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 2040861823 is about 45175.8986960968. The cubic root of 2040861823 is about 1268.4437139830.

The spelling of 2040861823 in words is "two billion, forty million, eight hundred sixty-one thousand, eight hundred twenty-three".