1000340440241 has 4 divisors (see below), whose sum is σ = 1000424776512. Its totient is φ = 1000256103972.

The previous prime is 1000340440223. The next prime is 1000340440247. The reversal of 1000340440241 is 1420440430001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000340440241 - 2³⁸ = 725462533297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1000340440247) 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, 42150341 + ... + 42174066.

It is an arithmetic number, because the mean of its divisors is an integer number (250106194128).

Almost surely, 2^{1000340440241} is an apocalyptic number.

It is an amenable number.

1000340440241 is a deficient number, since it is larger than the sum of its proper divisors (84336271).

1000340440241 is an equidigital number, since it uses as much as digits as its factorization.

1000340440241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84336270.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1000340440241 its reverse (1420440430001), we get a palindrome (2420780870242).

The spelling of 1000340440241 in words is "one trillion, three hundred forty million, four hundred forty thousand, two hundred forty-one".