378195552 has 72 divisors (see below), whose sum is σ = 1229142096. Its totient is φ = 108055296.

The previous prime is 378195533. The next prime is 378195557. The reversal of 378195552 is 255591873.

378195552 is a `hidden beast` number, since 3 + 7 + 8 + 1 + 95 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 378195498 and 378195507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378195557) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 91783 + ... + 95814.

It is an arithmetic number, because the mean of its divisors is an integer number (17071418).

Almost surely, 2^378195552 is an apocalyptic number.

378195552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

378195552 is an abundant number, since it is smaller than the sum of its proper divisors (850946544).

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

378195552 is a wasteful number, since it uses less digits than its factorization.

378195552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187620 (or 187609 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 378195552 is about 19447.2504997493. The cubic root of 378195552 is about 723.1673424507.

The spelling of 378195552 in words is "three hundred seventy-eight million, one hundred ninety-five thousand, five hundred fifty-two".