408065378 has 16 divisors (see below), whose sum is σ = 718448064. Its totient is φ = 170158320.

The previous prime is 408065353. The next prime is 408065381. The reversal of 408065378 is 873560804.

It is a happy 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, 393368 + ... + 394403.

It is an arithmetic number, because the mean of its divisors is an integer number (44903004).

Almost surely, 2^408065378 is an apocalyptic number.

408065378 is a deficient number, since it is larger than the sum of its proper divisors (310382686).

408065378 is a wasteful number, since it uses less digits than its factorization.

408065378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787817.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 408065378 is about 20200.6281585499. The cubic root of 408065378 is about 741.7255677050.

The spelling of 408065378 in words is "four hundred eight million, sixty-five thousand, three hundred seventy-eight".