381276172236 has 96 divisors (see below), whose sum is σ = 915628896000. Its totient is φ = 123436412928.

The previous prime is 381276172231. The next prime is 381276172271. The reversal of 381276172236 is 632271672183.

It is not an unprimeable number, because it can be changed into a prime (381276172231) 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, 42505960 + ... + 42514928.

It is an arithmetic number, because the mean of its divisors is an integer number (9537801000).

Almost surely, 2^381276172236 is an apocalyptic number.

It is an amenable number.

381276172236 is an abundant number, since it is smaller than the sum of its proper divisors (534352723764).

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

381276172236 is a wasteful number, since it uses less digits than its factorization.

381276172236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9751 (or 9749 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The spelling of 381276172236 in words is "three hundred eighty-one billion, two hundred seventy-six million, one hundred seventy-two thousand, two hundred thirty-six".