1444141080778 has 16 divisors (see below), whose sum is σ = 2413419525504. Its totient is φ = 642461215360.

The previous prime is 1444141080761. The next prime is 1444141080799. The reversal of 1444141080778 is 8770801414441.

It is a happy number.

It is a super-2 number, since 2×1444141080778² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698326375 + ... + 698328442.

It is an arithmetic number, because the mean of its divisors is an integer number (150838720344).

Almost surely, 2^{1444141080778} is an apocalyptic number.

1444141080778 is a deficient number, since it is larger than the sum of its proper divisors (969278444726).

1444141080778 is a wasteful number, since it uses less digits than its factorization.

1444141080778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396654877.

The product of its (nonzero) digits is 802816, while the sum is 49.

The spelling of 1444141080778 in words is "one trillion, four hundred forty-four billion, one hundred forty-one million, eighty thousand, seven hundred seventy-eight".