2044523401 has 16 divisors (see below), whose sum is σ = 2099911680. Its totient is φ = 1989947520.

The previous prime is 2044523387. The next prime is 2044523423. The reversal of 2044523401 is 1043254402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2044523401 - 2²⁵ = 2010968969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044523431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4473565 + ... + 4474021.

It is an arithmetic number, because the mean of its divisors is an integer number (131244480).

Almost surely, 2^2044523401 is an apocalyptic number.

It is an amenable number.

2044523401 is a deficient number, since it is larger than the sum of its proper divisors (55388279).

2044523401 is a wasteful number, since it uses less digits than its factorization.

2044523401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2044523401 is about 45216.4063255805. The cubic root of 2044523401 is about 1269.2018464363.

Adding to 2044523401 its reverse (1043254402), we get a palindrome (3087777803).

The spelling of 2044523401 in words is "two billion, forty-four million, five hundred twenty-three thousand, four hundred one".