1445886668808 has 128 divisors (see below), whose sum is σ = 4077361756800. Its totient is φ = 474660476928.

The previous prime is 1445886668801. The next prime is 1445886668833. The reversal of 1445886668808 is 8088666885441.

It is a super-3 number, since 3×1445886668808³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (1445886668801) 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, 10702416 + ... + 10836672.

It is an arithmetic number, because the mean of its divisors is an integer number (31854388725).

Almost surely, 2^{1445886668808} is an apocalyptic number.

1445886668808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445886668808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2038680878400).

1445886668808 is an abundant number, since it is smaller than the sum of its proper divisors (2631475087992).

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

1445886668808 is a wasteful number, since it uses less digits than its factorization.

1445886668808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135028 (or 135018 counting only the distinct ones).

The product of its (nonzero) digits is 566231040, while the sum is 72.

The spelling of 1445886668808 in words is "one trillion, four hundred forty-five billion, eight hundred eighty-six million, six hundred sixty-eight thousand, eight hundred eight".