42400202004422 has 4 divisors (see below), whose sum is σ = 63600303006636. Its totient is φ = 21200101002210.

The previous prime is 42400202004379. The next prime is 42400202004431. The reversal of 42400202004422 is 22440020200424.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 42400202004391 and 42400202004400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10600050501104 + ... + 10600050501107.

It is an arithmetic number, because the mean of its divisors is an integer number (15900075751659).

Almost surely, 2^{42400202004422} is an apocalyptic number.

42400202004422 is a deficient number, since it is larger than the sum of its proper divisors (21200101002214).

42400202004422 is a wasteful number, since it uses less digits than its factorization.

42400202004422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21200101002213.

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

Adding to 42400202004422 its reverse (22440020200424), we get a palindrome (64840222204846).

The spelling of 42400202004422 in words is "forty-two trillion, four hundred billion, two hundred two million, four thousand, four hundred twenty-two".