1444187005418 has 16 divisors (see below), whose sum is σ = 2308561655040. Its totient is φ = 676002427056.

The previous prime is 1444187005343. The next prime is 1444187005427. The reversal of 1444187005418 is 8145007814441.

It is a super-2 number, since 2×1444187005418² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 333991133 + ... + 333995456.

It is an arithmetic number, because the mean of its divisors is an integer number (144285103440).

Almost surely, 2^{1444187005418} is an apocalyptic number.

1444187005418 is a deficient number, since it is larger than the sum of its proper divisors (864374649622).

1444187005418 is a wasteful number, since it uses less digits than its factorization.

1444187005418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667986661.

The product of its (nonzero) digits is 573440, while the sum is 47.

The spelling of 1444187005418 in words is "one trillion, four hundred forty-four billion, one hundred eighty-seven million, five thousand, four hundred eighteen".