378689928917240 has 16 divisors (see below), whose sum is σ = 852052340063880. Its totient is φ = 151475971566880.

The previous prime is 378689928917221. The next prime is 378689928917269. The reversal of 378689928917240 is 42719829986873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4733624111426 + ... + 4733624111505.

Almost surely, 2^{378689928917240} is an apocalyptic number.

It is an amenable number.

378689928917240 is an abundant number, since it is smaller than the sum of its proper divisors (473362411146640).

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

378689928917240 is a wasteful number, since it uses less digits than its factorization.

378689928917240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9467248222942 (or 9467248222938 counting only the distinct ones).

The product of its (nonzero) digits is 5267275776, while the sum is 83.

The spelling of 378689928917240 in words is "three hundred seventy-eight trillion, six hundred eighty-nine billion, nine hundred twenty-eight million, nine hundred seventeen thousand, two hundred forty".