1441387667 has 8 divisors (see below), whose sum is σ = 1555921440. Its totient is φ = 1331176000.

The previous prime is 1441387639. The next prime is 1441387669. The reversal of 1441387667 is 7667831441.

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

It is a cyclic number.

It is not a de Polignac number, because 1441387667 - 2¹² = 1441383571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1441387669) 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 7 ways as a sum of consecutive naturals, for example, 1079834 + ... + 1081167.

It is an arithmetic number, because the mean of its divisors is an integer number (194490180).

Almost surely, 2^1441387667 is an apocalyptic number.

1441387667 is a deficient number, since it is larger than the sum of its proper divisors (114533773).

1441387667 is a wasteful number, since it uses less digits than its factorization.

1441387667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161053.

The product of its digits is 677376, while the sum is 47.

The square root of 1441387667 is about 37965.6116373752. The cubic root of 1441387667 is about 1129.6058528253.

The spelling of 1441387667 in words is "one billion, four hundred forty-one million, three hundred eighty-seven thousand, six hundred sixty-seven".