378720560 has 80 divisors (see below), whose sum is σ = 936582912. Its totient is φ = 141926400.

The previous prime is 378720547. The next prime is 378720593. The reversal of 378720560 is 65027873.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381665 + ... + 382655.

Almost surely, 2^378720560 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 378720560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468291456).

378720560 is an abundant number, since it is smaller than the sum of its proper divisors (557862352).

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

378720560 is a wasteful number, since it uses less digits than its factorization.

378720560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 378720560 is about 19460.7440762166. The cubic root of 378720560 is about 723.5018194068.

The spelling of 378720560 in words is "three hundred seventy-eight million, seven hundred twenty thousand, five hundred sixty".