402424422241 has 8 divisors (see below), whose sum is σ = 402848495264. Its totient is φ = 402000429600.

The previous prime is 402424422233. The next prime is 402424422247. The reversal of 402424422241 is 142224424204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402424422241 - 2³ = 402424422233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402424422247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20245990 + ... + 20265856.

It is an arithmetic number, because the mean of its divisors is an integer number (50356061908).

Almost surely, 2^402424422241 is an apocalyptic number.

It is an amenable number.

402424422241 is a deficient number, since it is larger than the sum of its proper divisors (424073023).

402424422241 is a wasteful number, since it uses less digits than its factorization.

402424422241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40191.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 402424422241 its reverse (142224424204), we get a palindrome (544648846445).

The spelling of 402424422241 in words is "four hundred two billion, four hundred twenty-four million, four hundred twenty-two thousand, two hundred forty-one".