2040450111 has 18 divisors (see below), whose sum is σ = 3428512152. Its totient is φ = 1165971240.

The previous prime is 2040450107. The next prime is 2040450149. The reversal of 2040450111 is 1110540402.

2040450111 is a `hidden beast` number, since 204 + 0 + 450 + 1 + 11 = 666.

It is not a de Polignac number, because 2040450111 - 2² = 2040450107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040450161) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2312995 + ... + 2313876.

Almost surely, 2^2040450111 is an apocalyptic number.

2040450111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2040450111 is a deficient number, since it is larger than the sum of its proper divisors (1388062041).

2040450111 is a wasteful number, since it uses less digits than its factorization.

2040450111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626891 (or 4626881 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2040450111 is about 45171.3417002418. The cubic root of 2040450111 is about 1268.3584120101.

Adding to 2040450111 its reverse (1110540402), we get a palindrome (3150990513).

The spelling of 2040450111 in words is "two billion, forty million, four hundred fifty thousand, one hundred eleven".