1444466667 has 32 divisors (see below), whose sum is σ = 2225405952. Its totient is φ = 816345504.

The previous prime is 1444466663. The next prime is 1444466687. The reversal of 1444466667 is 7666644441.

It is not a de Polignac number, because 1444466667 - 2² = 1444466663 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1444466663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 781138 + ... + 782984.

It is an arithmetic number, because the mean of its divisors is an integer number (69543936).

Almost surely, 2^1444466667 is an apocalyptic number.

1444466667 is a deficient number, since it is larger than the sum of its proper divisors (780939285).

1444466667 is a wasteful number, since it uses less digits than its factorization.

1444466667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its digits is 2322432, while the sum is 48.

The square root of 1444466667 is about 38006.1398592385. The cubic root of 1444466667 is about 1130.4096113379.

The spelling of 1444466667 in words is "one billion, four hundred forty-four million, four hundred sixty-six thousand, six hundred sixty-seven".