378042518 has 8 divisors (see below), whose sum is σ = 648072912. Its totient is φ = 162018216.

The previous prime is 378042503. The next prime is 378042523. The reversal of 378042518 is 815240873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×378042518² = 285832290831560648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13501505 + ... + 13501532.

It is an arithmetic number, because the mean of its divisors is an integer number (81009114).

Almost surely, 2^378042518 is an apocalyptic number.

378042518 is a deficient number, since it is larger than the sum of its proper divisors (270030394).

378042518 is a wasteful number, since it uses less digits than its factorization.

378042518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27003046.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 378042518 is about 19443.3155094495. The cubic root of 378042518 is about 723.0697878734.

The spelling of 378042518 in words is "three hundred seventy-eight million, forty-two thousand, five hundred eighteen".