381788894016 has 252 divisors, whose sum is σ = 1139304064288. Its totient is φ = 126933619968.

The previous prime is 381788893951. The next prime is 381788894017. The reversal of 381788894016 is 610498887183.

381788894016 is a `hidden beast` number, since 3 + 81 + 78 + 8 + 89 + 401 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381788894017) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 204492315 + ... + 204494181.

Almost surely, 2^381788894016 is an apocalyptic number.

381788894016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381788894016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569652032144).

381788894016 is an abundant number, since it is smaller than the sum of its proper divisors (757515170272).

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

381788894016 is an frugal number, since it uses more digits than its factorization.

381788894016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The spelling of 381788894016 in words is "three hundred eighty-one billion, seven hundred eighty-eight million, eight hundred ninety-four thousand, sixteen".