426446455 has 4 divisors (see below), whose sum is σ = 511735752. Its totient is φ = 341157160.

The previous prime is 426446417. The next prime is 426446459. The reversal of 426446455 is 554644624.

It is a happy number.

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

It is not a de Polignac number, because 426446455 - 2²⁵ = 392892023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426446459) 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, 42644641 + ... + 42644650.

It is an arithmetic number, because the mean of its divisors is an integer number (127933938).

Almost surely, 2^426446455 is an apocalyptic number.

426446455 is a deficient number, since it is larger than the sum of its proper divisors (85289297).

426446455 is an equidigital number, since it uses as much as digits as its factorization.

426446455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85289296.

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

The square root of 426446455 is about 20650.5800160673. The cubic root of 426446455 is about 752.6992838711.

The spelling of 426446455 in words is "four hundred twenty-six million, four hundred forty-six thousand, four hundred fifty-five".