381296361600 has 2304 divisors, whose sum is σ = 1805375520000. Its totient is φ = 76498329600.

The previous prime is 381296361599. The next prime is 381296361613. The reversal of 381296361600 is 6163692183.

381296361600 is a `hidden beast` number, since 3 + 8 + 1 + 2 + 9 + 6 + 36 + 1 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 13148150386 + ... + 13148150414.

It is an arithmetic number, because the mean of its divisors is an integer number (783583125).

Almost surely, 2^381296361600 is an apocalyptic number.

381296361600 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 381296361600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902687760000).

381296361600 is an abundant number, since it is smaller than the sum of its proper divisors (1424079158400).

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

381296361600 is a wasteful number, since it uses less digits than its factorization.

381296361600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 381296361600 in words is "three hundred eighty-one billion, two hundred ninety-six million, three hundred sixty-one thousand, six hundred".