44004002004 has 72 divisors (see below), whose sum is σ = 116932408320. Its totient is φ = 14467045824.

The previous prime is 44004001997. The next prime is 44004002027. The reversal of 44004002004 is 40020040044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239124 + ... + 381035.

Almost surely, 2^44004002004 is an apocalyptic number.

It is an amenable number.

44004002004 is an abundant number, since it is smaller than the sum of its proper divisors (72928406316).

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

44004002004 is a wasteful number, since it uses less digits than its factorization.

44004002004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620251 (or 620237 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 44004002004 its reverse (40020040044), we get a palindrome (84024042048).

The spelling of 44004002004 in words is "forty-four billion, four million, two thousand, four", and thus it is an eban number.