1444348411818 has 32 divisors (see below), whose sum is σ = 3124608734016. Its totient is φ = 442457115648.

The previous prime is 1444348411789. The next prime is 1444348411829. The reversal of 1444348411818 is 8181148434441.

It is a super-2 number, since 2×1444348411818² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40769271 + ... + 40804682.

It is an arithmetic number, because the mean of its divisors is an integer number (97644022938).

Almost surely, 2^{1444348411818} is an apocalyptic number.

1444348411818 is an abundant number, since it is smaller than the sum of its proper divisors (1680260322198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444348411818 is a wasteful number, since it uses less digits than its factorization.

1444348411818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81574198.

The product of its digits is 1572864, while the sum is 51.

The spelling of 1444348411818 in words is "one trillion, four hundred forty-four billion, three hundred forty-eight million, four hundred eleven thousand, eight hundred eighteen".