2044040403 has 8 divisors (see below), whose sum is σ = 2727038608. Its totient is φ = 1361867904.

The previous prime is 2044040381. The next prime is 2044040413. The reversal of 2044040403 is 3040404402.

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

It is not a de Polignac number, because 2044040403 - 2⁹ = 2044039891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2044040403.

It is not an unprimeable number, because it can be changed into a prime (2044040413) 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, 200626 + ... + 210567.

It is an arithmetic number, because the mean of its divisors is an integer number (340879826).

Almost surely, 2^2044040403 is an apocalyptic number.

2044040403 is a deficient number, since it is larger than the sum of its proper divisors (682998205).

2044040403 is a wasteful number, since it uses less digits than its factorization.

2044040403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412853.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2044040403 is about 45211.0650504940. The cubic root of 2044040403 is about 1269.1018931933.

Adding to 2044040403 its reverse (3040404402), we get a palindrome (5084444805).

The spelling of 2044040403 in words is "two billion, forty-four million, forty thousand, four hundred three".