2444140987 has 4 divisors (see below), whose sum is σ = 2444241096. Its totient is φ = 2444040880.

The previous prime is 2444140969. The next prime is 2444141033. The reversal of 2444140987 is 7890414442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2444140987 - 2²³ = 2435752379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2444140087) 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 3 ways as a sum of consecutive naturals, for example, 13287 + ... + 71167.

It is an arithmetic number, because the mean of its divisors is an integer number (611060274).

Almost surely, 2^2444140987 is an apocalyptic number.

2444140987 is a deficient number, since it is larger than the sum of its proper divisors (100109).

2444140987 is an equidigital number, since it uses as much as digits as its factorization.

2444140987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100108.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 2444140987 is about 49438.2542875454. The cubic root of 2444140987 is about 1347.0242616414.

The spelling of 2444140987 in words is "two billion, four hundred forty-four million, one hundred forty thousand, nine hundred eighty-seven".