402243424241 has 4 divisors (see below), whose sum is σ = 423414130800. Its totient is φ = 381072717684.

The previous prime is 402243424237. The next prime is 402243424291. The reversal of 402243424241 is 142424342204.

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 402243424241 - 2² = 402243424237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402243424198 and 402243424207.

It is not an unprimeable number, because it can be changed into a prime (402243424201) 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, 10585353251 + ... + 10585353288.

It is an arithmetic number, because the mean of its divisors is an integer number (105853532700).

Almost surely, 2^402243424241 is an apocalyptic number.

It is an amenable number.

402243424241 is a deficient number, since it is larger than the sum of its proper divisors (21170706559).

402243424241 is a wasteful number, since it uses less digits than its factorization.

402243424241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21170706558.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 402243424241 its reverse (142424342204), we get a palindrome (544667766445).

The spelling of 402243424241 in words is "four hundred two billion, two hundred forty-three million, four hundred twenty-four thousand, two hundred forty-one".