408840845 has 8 divisors (see below), whose sum is σ = 560696064. Its totient is φ = 280347984.

The previous prime is 408840821. The next prime is 408840857. The reversal of 408840845 is 548048804.

408840845 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 408840845 - 2⁸ = 408840589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5840549 + ... + 5840618.

It is an arithmetic number, because the mean of its divisors is an integer number (70087008).

Almost surely, 2^408840845 is an apocalyptic number.

It is an amenable number.

408840845 is a deficient number, since it is larger than the sum of its proper divisors (151855219).

408840845 is a wasteful number, since it uses less digits than its factorization.

408840845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11681179.

The product of its (nonzero) digits is 163840, while the sum is 41.

The square root of 408840845 is about 20219.8131791567. The cubic root of 408840845 is about 742.1951164308.

The spelling of 408840845 in words is "four hundred eight million, eight hundred forty thousand, eight hundred forty-five".