1044113554040 has 128 divisors (see below), whose sum is σ = 2494216609920. Its totient is φ = 392522803200.

The previous prime is 1044113554039. The next prime is 1044113554051. The reversal of 1044113554040 is 404553114401.

It is a super-2 number, since 2×1044113554040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1044113553988 and 1044113554006.

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 31 ways as a sum of consecutive naturals, for example, 55942310 + ... + 55960970.

It is an arithmetic number, because the mean of its divisors is an integer number (19486067265).

Almost surely, 2^{1044113554040} is an apocalyptic number.

1044113554040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044113554040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247108304960).

1044113554040 is an abundant number, since it is smaller than the sum of its proper divisors (1450103055880).

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

1044113554040 is a wasteful number, since it uses less digits than its factorization.

1044113554040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19753 (or 19749 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1044113554040 its reverse (404553114401), we get a palindrome (1448666668441).

The spelling of 1044113554040 in words is "one trillion, forty-four billion, one hundred thirteen million, five hundred fifty-four thousand, forty".