441138475581518 has 16 divisors (see below), whose sum is σ = 777390880046256. Its totient is φ = 185093066677440.

The previous prime is 441138475581403. The next prime is 441138475581523. The reversal of 441138475581518 is 815185574831144.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 771221110871 + ... + 771221111442.

It is an arithmetic number, because the mean of its divisors is an integer number (48586930002891).

Almost surely, 2^{441138475581518} is an apocalyptic number.

441138475581518 is a deficient number, since it is larger than the sum of its proper divisors (336252404464738).

441138475581518 is a wasteful number, since it uses less digits than its factorization.

441138475581518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542442222339.

The product of its digits is 86016000, while the sum is 65.

The spelling of 441138475581518 in words is "four hundred forty-one trillion, one hundred thirty-eight billion, four hundred seventy-five million, five hundred eighty-one thousand, five hundred eighteen".