378039818181996 has 72 divisors (see below), whose sum is σ = 967964892876800. Its totient is φ = 124392795490656.

The previous prime is 378039818181947. The next prime is 378039818182111. The reversal of 378039818181996 is 699181818930873.

378039818181996 is a `hidden beast` number, since 3 + 78 + 0 + 398 + 1 + 81 + 81 + 9 + 9 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206843626 + ... + 208663281.

Almost surely, 2^{378039818181996} is an apocalyptic number.

378039818181996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

378039818181996 is an abundant number, since it is smaller than the sum of its proper divisors (589925074694804).

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

378039818181996 is a wasteful number, since it uses less digits than its factorization.

378039818181996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415507243 (or 415507238 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 81.

The spelling of 378039818181996 in words is "three hundred seventy-eight trillion, thirty-nine billion, eight hundred eighteen million, one hundred eighty-one thousand, nine hundred ninety-six".