402442400002 has 8 divisors (see below), whose sum is σ = 624479586300. Its totient is φ = 194282537904.

The previous prime is 402442399963. The next prime is 402442400011. The reversal of 402442400002 is 200004244204.

It can be written as a sum of positive squares in 2 ways, for example, as 399043626601 + 3398773401 = 631699^2 + 58299^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3469330977 + ... + 3469331092.

Almost surely, 2^402442400002 is an apocalyptic number.

402442400002 is a deficient number, since it is larger than the sum of its proper divisors (222037186298).

402442400002 is a wasteful number, since it uses less digits than its factorization.

402442400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6938662100.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 402442400002 its reverse (200004244204), we get a palindrome (602446644206).

The spelling of 402442400002 in words is "four hundred two billion, four hundred forty-two million, four hundred thousand, two".