2402440402042 has 8 divisors (see below), whose sum is σ = 3603688481556. Its totient is φ = 1201210908192.

The previous prime is 2402440401967. The next prime is 2402440402051. The reversal of 2402440402042 is 2402040442042.

It can be written as a sum of positive squares in 2 ways, for example, as 2304746023321 + 97694378721 = 1518139^2 + 312561^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2402440402042.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4318633 + ... + 4843084.

Almost surely, 2^{2402440402042} is an apocalyptic number.

2402440402042 is a deficient number, since it is larger than the sum of its proper divisors (1201248079514).

2402440402042 is a wasteful number, since it uses less digits than its factorization.

2402440402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9292832.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2402440402042 its reverse (2402040442042), we get a palindrome (4804480844084).

The spelling of 2402440402042 in words is "two trillion, four hundred two billion, four hundred forty million, four hundred two thousand, forty-two".