400443011242241 has 4 divisors (see below), whose sum is σ = 436846921355184. Its totient is φ = 364039101129300.

The previous prime is 400443011242237. The next prime is 400443011242283. The reversal of 400443011242241 is 142242110344004.

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 400443011242241 - 2² = 400443011242237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400443011242198 and 400443011242207.

It is not an unprimeable number, because it can be changed into a prime (400443010242241) 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, 18201955056455 + ... + 18201955056476.

It is an arithmetic number, because the mean of its divisors is an integer number (109211730338796).

Almost surely, 2^{400443011242241} is an apocalyptic number.

It is an amenable number.

400443011242241 is a deficient number, since it is larger than the sum of its proper divisors (36403910112943).

400443011242241 is a wasteful number, since it uses less digits than its factorization.

400443011242241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36403910112942.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 400443011242241 its reverse (142242110344004), we get a palindrome (542685121586245).

The spelling of 400443011242241 in words is "four hundred trillion, four hundred forty-three billion, eleven million, two hundred forty-two thousand, two hundred forty-one".