426008645 has 16 divisors (see below), whose sum is σ = 535375872. Its totient is φ = 324804480.

The previous prime is 426008621. The next prime is 426008651. The reversal of 426008645 is 546800624.

It is not a de Polignac number, because 426008645 - 2⁶ = 426008581 is a prime.

It is a super-5 number, since 5×426008645⁵ (a number of 44 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25724 + ... + 38906.

It is an arithmetic number, because the mean of its divisors is an integer number (33460992).

Almost surely, 2^426008645 is an apocalyptic number.

It is an amenable number.

426008645 is a deficient number, since it is larger than the sum of its proper divisors (109367227).

426008645 is a wasteful number, since it uses less digits than its factorization.

426008645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13492.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 426008645 is about 20639.9768652971. The cubic root of 426008645 is about 752.4416101683.

The spelling of 426008645 in words is "four hundred twenty-six million, eight thousand, six hundred forty-five".