378144080 has 40 divisors (see below), whose sum is σ = 925461600. Its totient is φ = 143296128.

The previous prime is 378144049. The next prime is 378144089. The reversal of 378144080 is 80441873.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 378144080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378144089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122870 + ... + 125909.

It is an arithmetic number, because the mean of its divisors is an integer number (23136540).

Almost surely, 2^378144080 is an apocalyptic number.

It is an amenable number.

378144080 is an abundant number, since it is smaller than the sum of its proper divisors (547317520).

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

378144080 is a wasteful number, since it uses less digits than its factorization.

378144080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248811 (or 248805 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 378144080 is about 19445.9270799826. The cubic root of 378144080 is about 723.1345335347.

The spelling of 378144080 in words is "three hundred seventy-eight million, one hundred forty-four thousand, eighty".