4040444433987 has 24 divisors (see below), whose sum is σ = 6364694481600. Its totient is φ = 2454953574528.

The previous prime is 4040444433947. The next prime is 4040444434049. The reversal of 4040444433987 is 7893344440404.

4040444433987 is a `hidden beast` number, since 40 + 40 + 4 + 44 + 433 + 98 + 7 = 666.

4040444433987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4040444433987 - 2⁶ = 4040444433923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4040444433917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218558562 + ... + 218577047.

It is an arithmetic number, because the mean of its divisors is an integer number (265195603400).

Almost surely, 2^{4040444433987} is an apocalyptic number.

4040444433987 is a deficient number, since it is larger than the sum of its proper divisors (2324250047613).

4040444433987 is a wasteful number, since it uses less digits than its factorization.

4040444433987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437135707 (or 437135704 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 54.

The spelling of 4040444433987 in words is "four trillion, forty billion, four hundred forty-four million, four hundred thirty-three thousand, nine hundred eighty-seven".