378204018 has 32 divisors (see below), whose sum is σ = 777772800. Its totient is φ = 122544000.

The previous prime is 378204017. The next prime is 378204037. The reversal of 378204018 is 810402873.

It is a self number, because there is not a number n which added to its sum of digits gives 378204018.

It is not an unprimeable number, because it can be changed into a prime (378204011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37518 + ... + 46518.

It is an arithmetic number, because the mean of its divisors is an integer number (24305400).

Almost surely, 2^378204018 is an apocalyptic number.

378204018 is an abundant number, since it is smaller than the sum of its proper divisors (399568782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378204018 is a wasteful number, since it uses less digits than its factorization.

378204018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9202.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 378204018 is about 19447.4681642624. The cubic root of 378204018 is about 723.1727385031.

The spelling of 378204018 in words is "three hundred seventy-eight million, two hundred four thousand, eighteen".