378218256 has 240 divisors, whose sum is σ = 1174674816. Its totient is φ = 104011776.

The previous prime is 378218221. The next prime is 378218257. The reversal of 378218256 is 652812873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378218257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5181036 + ... + 5181108.

Almost surely, 2^378218256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378218256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587337408).

378218256 is an abundant number, since it is smaller than the sum of its proper divisors (796456560).

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

378218256 is a wasteful number, since it uses less digits than its factorization.

378218256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 133 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 378218256 is about 19447.8342238924. The cubic root of 378218256 is about 723.1818133267.

The spelling of 378218256 in words is "three hundred seventy-eight million, two hundred eighteen thousand, two hundred fifty-six".