378718903874042 has 16 divisors (see below), whose sum is σ = 601502194065960. Its totient is φ = 178218448977408.

The previous prime is 378718903874011. The next prime is 378718903874063. The reversal of 378718903874042 is 240478309817873.

It can be written as a sum of positive squares in 4 ways, for example, as 299846938255921 + 78871965618121 = 17316089^2 + 8880989^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66332963 + ... + 71815734.

Almost surely, 2^{378718903874042} is an apocalyptic number.

378718903874042 is a deficient number, since it is larger than the sum of its proper divisors (222783290191918).

378718903874042 is a wasteful number, since it uses less digits than its factorization.

378718903874042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138229345.

The product of its (nonzero) digits is 455196672, while the sum is 71.

The spelling of 378718903874042 in words is "three hundred seventy-eight trillion, seven hundred eighteen billion, nine hundred three million, eight hundred seventy-four thousand, forty-two".