402241423242 has 16 divisors (see below), whose sum is σ = 830433906432. Its totient is φ = 129755297760.

The previous prime is 402241423201. The next prime is 402241423321. The reversal of 402241423242 is 242324142204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081293963 + ... + 1081294334.

It is an arithmetic number, because the mean of its divisors is an integer number (51902119152).

Almost surely, 2^402241423242 is an apocalyptic number.

402241423242 is an abundant number, since it is smaller than the sum of its proper divisors (428192483190).

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

402241423242 is a wasteful number, since it uses less digits than its factorization.

402241423242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162588333.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 402241423242 its reverse (242324142204), we get a palindrome (644565565446).

The spelling of 402241423242 in words is "four hundred two billion, two hundred forty-one million, four hundred twenty-three thousand, two hundred forty-two".