426626842 has 8 divisors (see below), whose sum is σ = 641959956. Its totient is φ = 212640192.

The previous prime is 426626833. The next prime is 426626843. The reversal of 426626842 is 248626624.

It can be written as a sum of positive squares in 2 ways, for example, as 313608681 + 113018161 = 17709^2 + 10631^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 426626795 and 426626804.

It is not an unprimeable number, because it can be changed into a prime (426626843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335823 + ... + 337090.

Almost surely, 2^426626842 is an apocalyptic number.

426626842 is a deficient number, since it is larger than the sum of its proper divisors (215333114).

426626842 is a wasteful number, since it uses less digits than its factorization.

426626842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673232.

The product of its digits is 221184, while the sum is 40.

The square root of 426626842 is about 20654.9471555848. The cubic root of 426626842 is about 752.8053995972.

The spelling of 426626842 in words is "four hundred twenty-six million, six hundred twenty-six thousand, eight hundred forty-two".