426624406506422 has 4 divisors (see below), whose sum is σ = 639936609759636. Its totient is φ = 213312203253210.

The previous prime is 426624406506421. The next prime is 426624406506449. The reversal of 426624406506422 is 224605604426624.

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

It is a super-2 number, since 2×426624406506422² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426624406506421) by changing a digit.

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 as a sum of consecutive naturals, namely, 106656101626604 + ... + 106656101626607.

It is an arithmetic number, because the mean of its divisors is an integer number (159984152439909).

Almost surely, 2^{426624406506422} is an apocalyptic number.

426624406506422 is a deficient number, since it is larger than the sum of its proper divisors (213312203253214).

426624406506422 is a wasteful number, since it uses less digits than its factorization.

426624406506422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213312203253213.

The product of its (nonzero) digits is 26542080, while the sum is 53.

The spelling of 426624406506422 in words is "four hundred twenty-six trillion, six hundred twenty-four billion, four hundred six million, five hundred six thousand, four hundred twenty-two".