378020188 has 48 divisors (see below), whose sum is σ = 825721344. Its totient is φ = 147430080.

The previous prime is 378020183. The next prime is 378020239. The reversal of 378020188 is 881020873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378020183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18531 + ... + 33157.

It is an arithmetic number, because the mean of its divisors is an integer number (17202528).

Almost surely, 2^378020188 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 378020188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412860672).

378020188 is an abundant number, since it is smaller than the sum of its proper divisors (447701156).

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

378020188 is a wasteful number, since it uses less digits than its factorization.

378020188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14722 (or 14720 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 378020188 is about 19442.7412676299. The cubic root of 378020188 is about 723.0555509684.

The spelling of 378020188 in words is "three hundred seventy-eight million, twenty thousand, one hundred eighty-eight".