42206424420026 has 4 divisors (see below), whose sum is σ = 63309636630042. Its totient is φ = 21103212210012.

The previous prime is 42206424419987. The next prime is 42206424420103. The reversal of 42206424420026 is 62002442460224.

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

It can be written as a sum of positive squares in only one way, i.e., 41453651279401 + 752773140625 = 6438451^2 + 867625^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10551606105005 + ... + 10551606105008.

Almost surely, 2^{42206424420026} is an apocalyptic number.

42206424420026 is a deficient number, since it is larger than the sum of its proper divisors (21103212210016).

42206424420026 is a wasteful number, since it uses less digits than its factorization.

42206424420026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21103212210015.

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 42206424420026 in words is "forty-two trillion, two hundred six billion, four hundred twenty-four million, four hundred twenty thousand, twenty-six".