2040044401 has 4 divisors (see below), whose sum is σ = 2040136704. Its totient is φ = 2039952100.

The previous prime is 2040044371. The next prime is 2040044407. The reversal of 2040044401 is 1044400402.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2040044401 - 2⁷ = 2040044273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040044407) 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, 8856 + ... + 64486.

It is an arithmetic number, because the mean of its divisors is an integer number (510034176).

Almost surely, 2^2040044401 is an apocalyptic number.

It is an amenable number.

2040044401 is a deficient number, since it is larger than the sum of its proper divisors (92303).

2040044401 is an equidigital number, since it uses as much as digits as its factorization.

2040044401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92302.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2040044401 is about 45166.8506872020. The cubic root of 2040044401 is about 1268.2743423567.

Adding to 2040044401 its reverse (1044400402), we get a palindrome (3084444803).

The spelling of 2040044401 in words is "two billion, forty million, forty-four thousand, four hundred one".