4004004440425 has 12 divisors (see below), whose sum is σ = 5416326007056. Its totient is φ = 2912003229200.

The previous prime is 4004004440411. The next prime is 4004004440459. The reversal of 4004004440425 is 5240444004004.

It is not a de Polignac number, because 4004004440425 - 2⁴¹ = 1804981184873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7280007799 + ... + 7280008348.

It is an arithmetic number, because the mean of its divisors is an integer number (451360500588).

Almost surely, 2^{4004004440425} is an apocalyptic number.

It is an amenable number.

4004004440425 is a deficient number, since it is larger than the sum of its proper divisors (1412321566631).

4004004440425 is a wasteful number, since it uses less digits than its factorization.

4004004440425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14560016168 (or 14560016163 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 4004004440425 its reverse (5240444004004), we get a palindrome (9244448444429).

The spelling of 4004004440425 in words is "four trillion, four billion, four million, four hundred forty thousand, four hundred twenty-five".