1444891348678 has 8 divisors (see below), whose sum is σ = 2261569067568. Its totient is φ = 691034992824.

The previous prime is 1444891348657. The next prime is 1444891348679. The reversal of 1444891348678 is 8768431984441.

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

It is a super-2 number, since 2×1444891348678² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444891348679) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15705340701 + ... + 15705340792.

It is an arithmetic number, because the mean of its divisors is an integer number (282696133446).

Almost surely, 2^{1444891348678} is an apocalyptic number.

1444891348678 is a deficient number, since it is larger than the sum of its proper divisors (816677718890).

1444891348678 is a wasteful number, since it uses less digits than its factorization.

1444891348678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31410681518.

The product of its digits is 148635648, while the sum is 67.

The spelling of 1444891348678 in words is "one trillion, four hundred forty-four billion, eight hundred ninety-one million, three hundred forty-eight thousand, six hundred seventy-eight".