2402402442002 has 12 divisors (see below), whose sum is σ = 3828049566810. Its totient is φ = 1130542325376.

The previous prime is 2402402441981. The next prime is 2402402442007. The reversal of 2402402442002 is 2002442042042.

It can be written as a sum of positive squares in 3 ways, for example, as 2349993954961 + 52408487041 = 1532969^2 + 228929^2 .

It is not an unprimeable number, because it can be changed into a prime (2402402442007) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2078202227 + ... + 2078203382.

Almost surely, 2^{2402402442002} is an apocalyptic number.

2402402442002 is a deficient number, since it is larger than the sum of its proper divisors (1425647124808).

2402402442002 is a wasteful number, since it uses less digits than its factorization.

2402402442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156405645 (or 4156405628 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2402402442002 its reverse (2002442042042), we get a palindrome (4404844484044).

The spelling of 2402402442002 in words is "two trillion, four hundred two billion, four hundred two million, four hundred forty-two thousand, two".