378642923448 has 32 divisors (see below), whose sum is σ = 1002290092560. Its totient is φ = 118789936640.

The previous prime is 378642923441. The next prime is 378642923489. The reversal of 378642923448 is 844329246873.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 378642923391 and 378642923400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378642923441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464022783 + ... + 464023598.

Almost surely, 2^378642923448 is an apocalyptic number.

It is an amenable number.

378642923448 is an abundant number, since it is smaller than the sum of its proper divisors (623647169112).

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

378642923448 is a wasteful number, since it uses less digits than its factorization.

378642923448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928046407 (or 928046403 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 60.

The spelling of 378642923448 in words is "three hundred seventy-eight billion, six hundred forty-two million, nine hundred twenty-three thousand, four hundred forty-eight".