402224332042 has 32 divisors (see below), whose sum is σ = 704747134224. Its totient is φ = 170460364800.

The previous prime is 402224332031. The next prime is 402224332063. The reversal of 402224332042 is 240233422204.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 66069047521 + 336155284521 = 257039^2 + 579789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 402224332042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11079559 + ... + 11115802.

Almost surely, 2^402224332042 is an apocalyptic number.

402224332042 is a deficient number, since it is larger than the sum of its proper divisors (302522802182).

402224332042 is a wasteful number, since it uses less digits than its factorization.

402224332042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22195434.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 402224332042 its reverse (240233422204), we get a palindrome (642457754246).

The spelling of 402224332042 in words is "four hundred two billion, two hundred twenty-four million, three hundred thirty-two thousand, forty-two".