1044323140240 has 20 divisors (see below), whose sum is σ = 2428051301244. Its totient is φ = 417729256064.

The previous prime is 1044323140187. The next prime is 1044323140249. The reversal of 1044323140240 is 420413234401.

It can be written as a sum of positive squares in 2 ways, for example, as 490834755216 + 553488385024 = 700596^2 + 743968^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1044323140240² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1044323140199 and 1044323140208.

It is not an unprimeable number, because it can be changed into a prime (1044323140249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6527019547 + ... + 6527019706.

Almost surely, 2^{1044323140240} is an apocalyptic number.

1044323140240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044323140240 is an abundant number, since it is smaller than the sum of its proper divisors (1383728161004).

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

1044323140240 is a wasteful number, since it uses less digits than its factorization.

1044323140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13054039266 (or 13054039260 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1044323140240 its reverse (420413234401), we get a palindrome (1464736374641).

The spelling of 1044323140240 in words is "one trillion, forty-four billion, three hundred twenty-three million, one hundred forty thousand, two hundred forty".