426320445 has 16 divisors (see below), whose sum is σ = 705634560. Its totient is φ = 219530304.

The previous prime is 426320437. The next prime is 426320467. The reversal of 426320445 is 544023624.

It is not a de Polignac number, because 426320445 - 2³ = 426320437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489589 + ... + 490458.

It is an arithmetic number, because the mean of its divisors is an integer number (44102160).

Almost surely, 2^426320445 is an apocalyptic number.

It is an amenable number.

426320445 is a deficient number, since it is larger than the sum of its proper divisors (279314115).

426320445 is a wasteful number, since it uses less digits than its factorization.

426320445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980084.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 426320445 is about 20647.5287867580. The cubic root of 426320445 is about 752.6251385872.

The spelling of 426320445 in words is "four hundred twenty-six million, three hundred twenty thousand, four hundred forty-five".