378081418 has 64 divisors (see below), whose sum is σ = 718865280. Its totient is φ = 146534400.

The previous prime is 378081373. The next prime is 378081419. The reversal of 378081418 is 814180873.

It is not an unprimeable number, because it can be changed into a prime (378081419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221946 + ... + 223642.

It is an arithmetic number, because the mean of its divisors is an integer number (11232270).

Almost surely, 2^378081418 is an apocalyptic number.

378081418 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

378081418 is a deficient number, since it is larger than the sum of its proper divisors (340783862).

378081418 is a wasteful number, since it uses less digits than its factorization.

378081418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 378081418 is about 19444.3158275111. The cubic root of 378081418 is about 723.0945879499.

The spelling of 378081418 in words is "three hundred seventy-eight million, eighty-one thousand, four hundred eighteen".