378288242 has 16 divisors (see below), whose sum is σ = 590447232. Its totient is φ = 181624560.

The previous prime is 378288241. The next prime is 378288247. The reversal of 378288242 is 242882873.

It is a junction number, because it is equal to n+sod(n) for n = 378288193 and 378288202.

It is not an unprimeable number, because it can be changed into a prime (378288241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32984 + ... + 42947.

It is an arithmetic number, because the mean of its divisors is an integer number (36902952).

Almost surely, 2^378288242 is an apocalyptic number.

378288242 is a deficient number, since it is larger than the sum of its proper divisors (212158990).

378288242 is a wasteful number, since it uses less digits than its factorization.

378288242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76033.

The product of its digits is 344064, while the sum is 44.

The square root of 378288242 is about 19449.6334669834. The cubic root of 378288242 is about 723.2264167447.

The spelling of 378288242 in words is "three hundred seventy-eight million, two hundred eighty-eight thousand, two hundred forty-two".