5444402004 has 18 divisors (see below), whose sum is σ = 13762238490. Its totient is φ = 1814800656.

The previous prime is 5444401981. The next prime is 5444402009. The reversal of 5444402004 is 4002044445.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3341996100 + 2102405904 = 57810^2 + 45852^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444402009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75616659 + ... + 75616730.

It is an arithmetic number, because the mean of its divisors is an integer number (764568805).

Almost surely, 2^5444402004 is an apocalyptic number.

It is an amenable number.

5444402004 is an abundant number, since it is smaller than the sum of its proper divisors (8317836486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5444402004 is a wasteful number, since it uses less digits than its factorization.

5444402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151233399 (or 151233394 counting only the distinct ones).

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

The square root of 5444402004 is about 73786.1911471245. The cubic root of 5444402004 is about 1759.2061248326.

Adding to 5444402004 its reverse (4002044445), we get a palindrome (9446446449).

The spelling of 5444402004 in words is "five billion, four hundred forty-four million, four hundred two thousand, four".