1444552441020 has 144 divisors (see below), whose sum is σ = 4866460996320. Its totient is φ = 355582116864.

The previous prime is 1444552440997. The next prime is 1444552441037. The reversal of 1444552441020 is 201442554441.

1444552441020 is a `hidden beast` number, since 1 + 4 + 44 + 552 + 4 + 41 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7823229 + ... + 8005748.

It is an arithmetic number, because the mean of its divisors is an integer number (33794868030).

Almost surely, 2^{1444552441020} is an apocalyptic number.

1444552441020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444552441020 is an abundant number, since it is smaller than the sum of its proper divisors (3421908555300).

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

1444552441020 is a wasteful number, since it uses less digits than its factorization.

1444552441020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15829021 (or 15829000 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 1444552441020 its reverse (201442554441), we get a palindrome (1645994995461).

The spelling of 1444552441020 in words is "one trillion, four hundred forty-four billion, five hundred fifty-two million, four hundred forty-one thousand, twenty".