42400044422002 has 8 divisors (see below), whose sum is σ = 63829669762476. Its totient is φ = 21123487834512.

The previous prime is 42400044421997. The next prime is 42400044422039. The reversal of 42400044422002 is 20022444000424.

It can be written as a sum of positive squares in 2 ways, for example, as 40543668146881 + 1856376275121 = 6367391^2 + 1362489^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 38267187553 + ... + 38267188660.

Almost surely, 2^{42400044422002} is an apocalyptic number.

42400044422002 is a deficient number, since it is larger than the sum of its proper divisors (21429625340474).

42400044422002 is a wasteful number, since it uses less digits than its factorization.

42400044422002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76534376492.

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

Adding to 42400044422002 its reverse (20022444000424), we get a palindrome (62422488422426).

The spelling of 42400044422002 in words is "forty-two trillion, four hundred billion, forty-four million, four hundred twenty-two thousand, two".