381316403576 has 8 divisors (see below), whose sum is σ = 714968256720. Its totient is φ = 190658201784.

The previous prime is 381316403549. The next prime is 381316403627. The reversal of 381316403576 is 675304613183.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×381316403576² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 381316403576.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23832275216 + ... + 23832275231.

It is an arithmetic number, because the mean of its divisors is an integer number (89371032090).

Almost surely, 2^381316403576 is an apocalyptic number.

It is an amenable number.

381316403576 is a deficient number, since it is larger than the sum of its proper divisors (333651853144).

381316403576 is a wasteful number, since it uses less digits than its factorization.

381316403576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47664550453 (or 47664550449 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 381316403576 in words is "three hundred eighty-one billion, three hundred sixteen million, four hundred three thousand, five hundred seventy-six".