4044004245 has 32 divisors (see below), whose sum is σ = 7196192640. Its totient is φ = 2154746880.

The previous prime is 4044004241. The next prime is 4044004253. The reversal of 4044004245 is 5424004404.

It is a happy number.

4044004245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4044004245 - 2² = 4044004241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044004241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133557 + ... + 161013.

It is an arithmetic number, because the mean of its divisors is an integer number (224881020).

Almost surely, 2^4044004245 is an apocalyptic number.

4044004245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4044004245 is a deficient number, since it is larger than the sum of its proper divisors (3152188395).

4044004245 is a wasteful number, since it uses less digits than its factorization.

4044004245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28562 (or 28556 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 4044004245 is about 63592.4857589322. The cubic root of 4044004245 is about 1593.2008677020.

Adding to 4044004245 its reverse (5424004404), we get a palindrome (9468008649).

The spelling of 4044004245 in words is "four billion, forty-four million, four thousand, two hundred forty-five".