1444212220140 has 72 divisors (see below), whose sum is σ = 4381028739360. Its totient is φ = 385101133824.

The previous prime is 1444212220127. The next prime is 1444212220147. The reversal of 1444212220140 is 410222124441.

1444212220140 is a `hidden beast` number, since 1 + 4 + 4 + 421 + 2 + 220 + 14 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1444212220147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3040012 + ... + 3482828.

It is an arithmetic number, because the mean of its divisors is an integer number (60847621380).

Almost surely, 2^{1444212220140} is an apocalyptic number.

1444212220140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444212220140 is an abundant number, since it is smaller than the sum of its proper divisors (2936816519220).

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

1444212220140 is a wasteful number, since it uses less digits than its factorization.

1444212220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460951 (or 460946 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1444212220140 its reverse (410222124441), we get a palindrome (1854434344581).

The spelling of 1444212220140 in words is "one trillion, four hundred forty-four billion, two hundred twelve million, two hundred twenty thousand, one hundred forty".