1005544441240 has 64 divisors (see below), whose sum is σ = 2289259764000. Its totient is φ = 397475527680.

The previous prime is 1005544441207. The next prime is 1005544441243. The reversal of 1005544441240 is 421444455001.

1005544441240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1005544441240² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1005544441196 and 1005544441205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005544441243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348180 + ... + 1956700.

Almost surely, 2^{1005544441240} is an apocalyptic number.

1005544441240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005544441240 is an abundant number, since it is smaller than the sum of its proper divisors (1283715322760).

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

1005544441240 is a wasteful number, since it uses less digits than its factorization.

1005544441240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609020 (or 609016 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 1005544441240 its reverse (421444455001), we get a palindrome (1426988896241).

The spelling of 1005544441240 in words is "one trillion, five billion, five hundred forty-four million, four hundred forty-one thousand, two hundred forty".