426445546 has 8 divisors (see below), whose sum is σ = 639762084. Its totient is φ = 213191520.

The previous prime is 426445511. The next prime is 426445567. The reversal of 426445546 is 645544624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 397404225 + 29041321 = 19935^2 + 5389^2 .

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 = 426445499 and 426445508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9526 + ... + 30718.

Almost surely, 2^426445546 is an apocalyptic number.

426445546 is a deficient number, since it is larger than the sum of its proper divisors (213316538).

426445546 is a wasteful number, since it uses less digits than its factorization.

426445546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31256.

The product of its digits is 460800, while the sum is 40.

The square root of 426445546 is about 20650.5580069886. The cubic root of 426445546 is about 752.6987490606.

The spelling of 426445546 in words is "four hundred twenty-six million, four hundred forty-five thousand, five hundred forty-six".