378345544 has 8 divisors (see below), whose sum is σ = 709397910. Its totient is φ = 189172768.

The previous prime is 378345509. The next prime is 378345553. The reversal of 378345544 is 445543873.

It can be written as a sum of positive squares in only one way, i.e., 189612900 + 188732644 = 13770^2 + 13738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 378345544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23646589 + ... + 23646604.

Almost surely, 2^378345544 is an apocalyptic number.

It is an amenable number.

378345544 is a deficient number, since it is larger than the sum of its proper divisors (331052366).

378345544 is a wasteful number, since it uses less digits than its factorization.

378345544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47293199 (or 47293195 counting only the distinct ones).

The product of its digits is 806400, while the sum is 43.

The square root of 378345544 is about 19451.1064980890. The cubic root of 378345544 is about 723.2629323107.

The spelling of 378345544 in words is "three hundred seventy-eight million, three hundred forty-five thousand, five hundred forty-four".