440004000399 has 16 divisors (see below), whose sum is σ = 613003479552. Its totient is φ = 280204594208.

The previous prime is 440004000383. The next prime is 440004000413. The reversal of 440004000399 is 993000400044.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 440004000399 - 2⁴ = 440004000383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440005000399) 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, 4240032 + ... + 4342565.

It is an arithmetic number, because the mean of its divisors is an integer number (38312717472).

Almost surely, 2^440004000399 is an apocalyptic number.

440004000399 is a deficient number, since it is larger than the sum of its proper divisors (172999479153).

440004000399 is a wasteful number, since it uses less digits than its factorization.

440004000399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8583366.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 440004000399 in words is "four hundred forty billion, four million, three hundred ninety-nine", and thus it is an aban number.