378504020 has 12 divisors (see below), whose sum is σ = 794858484. Its totient is φ = 151401600.

The previous prime is 378504001. The next prime is 378504041. The reversal of 378504020 is 20405873.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 149768644 + 228735376 = 12238^2 + 15124^2 .

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, 9462581 + ... + 9462620.

It is an arithmetic number, because the mean of its divisors is an integer number (66238207).

Almost surely, 2^378504020 is an apocalyptic number.

It is an amenable number.

378504020 is an abundant number, since it is smaller than the sum of its proper divisors (416354464).

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

378504020 is a wasteful number, since it uses less digits than its factorization.

378504020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18925210 (or 18925208 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 378504020 is about 19455.1797730065. The cubic root of 378504020 is about 723.3639015777.

Adding to 378504020 its reverse (20405873), we get a palindrome (398909893).

The spelling of 378504020 in words is "three hundred seventy-eight million, five hundred four thousand, twenty".