1444184020 has 24 divisors (see below), whose sum is σ = 3075504768. Its totient is φ = 569536800.

The previous prime is 1444184003. The next prime is 1444184023. The reversal of 1444184020 is 204814441.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1444184020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444184023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507096 + ... + 509935.

It is an arithmetic number, because the mean of its divisors is an integer number (128146032).

Almost surely, 2^1444184020 is an apocalyptic number.

1444184020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444184020 is an abundant number, since it is smaller than the sum of its proper divisors (1631320748).

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

1444184020 is a wasteful number, since it uses less digits than its factorization.

1444184020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017111 (or 1017109 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 1444184020 is about 38002.4212386527. The cubic root of 1444184020 is about 1130.3358753044.

Adding to 1444184020 its reverse (204814441), we get a palindrome (1648998461).

The spelling of 1444184020 in words is "one billion, four hundred forty-four million, one hundred eighty-four thousand, twenty".