381471801104 has 160 divisors (see below), whose sum is σ = 837871372800. Its totient is φ = 167175290880.

The previous prime is 381471801091. The next prime is 381471801107. The reversal of 381471801104 is 401108174183.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (381471801107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98391614 + ... + 98395490.

It is an arithmetic number, because the mean of its divisors is an integer number (5236696080).

Almost surely, 2^381471801104 is an apocalyptic number.

381471801104 is a gapful number since it is divisible by the number (34) 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 381471801104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418935686400).

381471801104 is an abundant number, since it is smaller than the sum of its proper divisors (456399571696).

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

381471801104 is a wasteful number, since it uses less digits than its factorization.

381471801104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241 (or 4235 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

Adding to 381471801104 its reverse (401108174183), we get a palindrome (782579975287).

The spelling of 381471801104 in words is "three hundred eighty-one billion, four hundred seventy-one million, eight hundred one thousand, one hundred four".