1004144355020 has 24 divisors (see below), whose sum is σ = 2130442357344. Its totient is φ = 397516939776.

The previous prime is 1004144355007. The next prime is 1004144355077. The reversal of 1004144355020 is 205534414001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258798152 + ... + 258802031.

It is an arithmetic number, because the mean of its divisors is an integer number (88768431556).

Almost surely, 2^{1004144355020} is an apocalyptic number.

1004144355020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004144355020 is an abundant number, since it is smaller than the sum of its proper divisors (1126298002324).

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

1004144355020 is a wasteful number, since it uses less digits than its factorization.

1004144355020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517600289 (or 517600287 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 1004144355020 its reverse (205534414001), we get a palindrome (1209678769021).

The spelling of 1004144355020 in words is "one trillion, four billion, one hundred forty-four million, three hundred fifty-five thousand, twenty".