408378195 has 24 divisors (see below), whose sum is σ = 712376496. Its totient is φ = 216410688.

The previous prime is 408378193. The next prime is 408378209. The reversal of 408378195 is 591873804.

It is not a de Polignac number, because 408378195 - 2¹ = 408378193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 408378195.

It is not an unprimeable number, because it can be changed into a prime (408378193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21837 + ... + 35966.

It is an arithmetic number, because the mean of its divisors is an integer number (29682354).

Almost surely, 2^408378195 is an apocalyptic number.

408378195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

408378195 is a deficient number, since it is larger than the sum of its proper divisors (303998301).

408378195 is a wasteful number, since it uses less digits than its factorization.

408378195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57971 (or 57968 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 408378195 is about 20208.3694295210. The cubic root of 408378195 is about 741.9150513154.

The spelling of 408378195 in words is "four hundred eight million, three hundred seventy-eight thousand, one hundred ninety-five".