381265375672 has 32 divisors (see below), whose sum is σ = 746307787680. Its totient is φ = 182257827840.

The previous prime is 381265375637. The next prime is 381265375679. The reversal of 381265375672 is 276573562183.

It is a super-2 number, since 2×381265375672² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381265375679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101529 + ... + 879112.

It is an arithmetic number, because the mean of its divisors is an integer number (23322118365).

Almost surely, 2^381265375672 is an apocalyptic number.

It is an amenable number.

381265375672 is a deficient number, since it is larger than the sum of its proper divisors (365042412008).

381265375672 is a wasteful number, since it uses less digits than its factorization.

381265375672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982783 (or 982779 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 55.

The spelling of 381265375672 in words is "three hundred eighty-one billion, two hundred sixty-five million, three hundred seventy-five thousand, six hundred seventy-two".