378680240 has 40 divisors (see below), whose sum is σ = 889526400. Its totient is φ = 149907456.

The previous prime is 378680213. The next prime is 378680251. The reversal of 378680240 is 42086873.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 378680194 and 378680203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16640 + ... + 32159.

It is an arithmetic number, because the mean of its divisors is an integer number (22238160).

Almost surely, 2^378680240 is an apocalyptic number.

It is an amenable number.

378680240 is an abundant number, since it is smaller than the sum of its proper divisors (510846160).

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

378680240 is a wasteful number, since it uses less digits than its factorization.

378680240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48909 (or 48903 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 378680240 is about 19459.7081170299. The cubic root of 378680240 is about 723.4761429304.

The spelling of 378680240 in words is "three hundred seventy-eight million, six hundred eighty thousand, two hundred forty".