378171648 has 108 divisors (see below), whose sum is σ = 1098592768. Its totient is φ = 125107200.

The previous prime is 378171617. The next prime is 378171653. The reversal of 378171648 is 846171873.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347361 + ... + 348447.

Almost surely, 2^378171648 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 378171648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549296384).

378171648 is an abundant number, since it is smaller than the sum of its proper divisors (720421120).

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

378171648 is a wasteful number, since it uses less digits than its factorization.

378171648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1243 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 378171648 is about 19446.6359044437. The cubic root of 378171648 is about 723.1521061034.

The spelling of 378171648 in words is "three hundred seventy-eight million, one hundred seventy-one thousand, six hundred forty-eight".