2040401101 has 4 divisors (see below), whose sum is σ = 2040962400. Its totient is φ = 2039839804.

The previous prime is 2040401087. The next prime is 2040401117. The reversal of 2040401101 is 1011040402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040401101 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 (2040401171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275161 + ... + 282478.

It is an arithmetic number, because the mean of its divisors is an integer number (510240600).

Almost surely, 2^2040401101 is an apocalyptic number.

It is an amenable number.

2040401101 is a deficient number, since it is larger than the sum of its proper divisors (561299).

2040401101 is an equidigital number, since it uses as much as digits as its factorization.

2040401101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561298.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2040401101 is about 45170.7992070098. The cubic root of 2040401101 is about 1268.3482569397.

Adding to 2040401101 its reverse (1011040402), we get a palindrome (3051441503).

The spelling of 2040401101 in words is "two billion, forty million, four hundred one thousand, one hundred one".