381783552000 has 416 divisors, whose sum is σ = 1345243184064. Its totient is φ = 95813632000.

The previous prime is 381783551969. The next prime is 381783552011. The reversal of 381783552000 is 255387183.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26104690 + ... + 26119310.

It is an arithmetic number, because the mean of its divisors is an integer number (3233757654).

Almost surely, 2^381783552000 is an apocalyptic number.

381783552000 is a gapful number since it is divisible by the number (30) 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 381783552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672621592032).

381783552000 is an abundant number, since it is smaller than the sum of its proper divisors (963459632064).

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

381783552000 is a wasteful number, since it uses less digits than its factorization.

381783552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14680 (or 14648 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 381783552000 in words is "three hundred eighty-one billion, seven hundred eighty-three million, five hundred fifty-two thousand".