381246536304 has 120 divisors (see below), whose sum is σ = 1090106514432. Its totient is φ = 124327578240.

The previous prime is 381246536227. The next prime is 381246536309. The reversal of 381246536304 is 403635642183.

381246536304 is a `hidden beast` number, since 3 + 8 + 1 + 2 + 4 + 6 + 5 + 3 + 630 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 381246536304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381246536309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18879397 + ... + 18899579.

Almost surely, 2^381246536304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381246536304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545053257216).

381246536304 is an abundant number, since it is smaller than the sum of its proper divisors (708859978128).

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

381246536304 is a wasteful number, since it uses less digits than its factorization.

381246536304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23035 (or 23026 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 381246536304 in words is "three hundred eighty-one billion, two hundred forty-six million, five hundred thirty-six thousand, three hundred four".