381306363276 has 48 divisors (see below), whose sum is σ = 892491264000. Its totient is φ = 126705830592.

The previous prime is 381306363271. The next prime is 381306363283. The reversal of 381306363276 is 672363603183.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (381306363271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9489075 + ... + 9529173.

It is an arithmetic number, because the mean of its divisors is an integer number (18593568000).

Almost surely, 2^381306363276 is an apocalyptic number.

It is an amenable number.

381306363276 is an abundant number, since it is smaller than the sum of its proper divisors (511184900724).

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

381306363276 is a wasteful number, since it uses less digits than its factorization.

381306363276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42558 (or 42556 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 381306363276 in words is "three hundred eighty-one billion, three hundred six million, three hundred sixty-three thousand, two hundred seventy-six".