378919444 has 12 divisors (see below), whose sum is σ = 664188084. Its totient is φ = 189151424.

The previous prime is 378919441. The next prime is 378919459. The reversal of 378919444 is 444919873.

It can be written as a sum of positive squares in 2 ways, for example, as 54199044 + 324720400 = 7362^2 + 18020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378919441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74299 + ... + 79234.

It is an arithmetic number, because the mean of its divisors is an integer number (55349007).

Almost surely, 2^378919444 is an apocalyptic number.

It is an amenable number.

378919444 is a deficient number, since it is larger than the sum of its proper divisors (285268640).

378919444 is a wasteful number, since it uses less digits than its factorization.

378919444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154154 (or 154152 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 378919444 is about 19465.8532820937. The cubic root of 378919444 is about 723.6284455353.

The spelling of 378919444 in words is "three hundred seventy-eight million, nine hundred nineteen thousand, four hundred forty-four".