378215042 has 8 divisors (see below), whose sum is σ = 586885500. Its totient is φ = 182586544.

The previous prime is 378215029. The next prime is 378215051. The reversal of 378215042 is 240512873.

It can be written as a sum of positive squares in 2 ways, for example, as 357247801 + 20967241 = 18901^2 + 4579^2 .

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

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, 3260417 + ... + 3260532.

Almost surely, 2^378215042 is an apocalyptic number.

378215042 is a deficient number, since it is larger than the sum of its proper divisors (208670458).

378215042 is a wasteful number, since it uses less digits than its factorization.

378215042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520980.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 378215042 is about 19447.7515924078. The cubic root of 378215042 is about 723.1797648508.

The spelling of 378215042 in words is "three hundred seventy-eight million, two hundred fifteen thousand, forty-two".