2444012985 has 16 divisors (see below), whose sum is σ = 4016108736. Its totient is φ = 1268244288.

The previous prime is 2444012981. The next prime is 2444013017. The reversal of 2444012985 is 5892104442.

It is not a de Polignac number, because 2444012985 - 2² = 2444012981 is a prime.

It is a super-2 number, since 2×2444012985² = 11946398941697220450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2444012981) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2201259 + ... + 2202368.

It is an arithmetic number, because the mean of its divisors is an integer number (251006796).

Almost surely, 2^2444012985 is an apocalyptic number.

It is an amenable number.

2444012985 is a deficient number, since it is larger than the sum of its proper divisors (1572095751).

2444012985 is a wasteful number, since it uses less digits than its factorization.

2444012985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403672.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2444012985 is about 49436.9597062764. The cubic root of 2444012985 is about 1347.0007462481. Note that the first 3 decimals are identical.

The spelling of 2444012985 in words is "two billion, four hundred forty-four million, twelve thousand, nine hundred eighty-five".