1005243343040 has 56 divisors (see below), whose sum is σ = 2393962872720. Its totient is φ = 402059179008.

The previous prime is 1005243343031. The next prime is 1005243343043. The reversal of 1005243343040 is 403433425001.

It is a junction number, because it is equal to n+sod(n) for n = 1005243342994 and 1005243343012.

It is not an unprimeable number, because it can be changed into a prime (1005243343043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3356894 + ... + 3644066.

Almost surely, 2^{1005243343040} is an apocalyptic number.

1005243343040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005243343040 is an abundant number, since it is smaller than the sum of its proper divisors (1388719529680).

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

1005243343040 is a wasteful number, since it uses less digits than its factorization.

1005243343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298129 (or 298119 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 1005243343040 its reverse (403433425001), we get a palindrome (1408676768041).

The spelling of 1005243343040 in words is "one trillion, five billion, two hundred forty-three million, three hundred forty-three thousand, forty".