4002444505 has 8 divisors (see below), whose sum is σ = 4834741824. Its totient is φ = 3180750000.

The previous prime is 4002444499. The next prime is 4002444517. The reversal of 4002444505 is 5054442004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4002444505 - 2⁵ = 4002444473 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 7 ways as a sum of consecutive naturals, for example, 2649871 + ... + 2651380.

It is an arithmetic number, because the mean of its divisors is an integer number (604342728).

Almost surely, 2^4002444505 is an apocalyptic number.

It is an amenable number.

4002444505 is a deficient number, since it is larger than the sum of its proper divisors (832297319).

4002444505 is a wasteful number, since it uses less digits than its factorization.

4002444505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5301407.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 4002444505 is about 63264.8757605672. The cubic root of 4002444505 is about 1587.7243536018.

Adding to 4002444505 its reverse (5054442004), we get a palindrome (9056886509).

The spelling of 4002444505 in words is "four billion, two million, four hundred forty-four thousand, five hundred five".