381396552108 has 72 divisors (see below), whose sum is σ = 1051251235776. Its totient is φ = 106684344000.

The previous prime is 381396552107. The next prime is 381396552113. The reversal of 381396552108 is 801255693183.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (381396552107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8526118 + ... + 8570733.

It is an arithmetic number, because the mean of its divisors is an integer number (14600711608).

Almost surely, 2^381396552108 is an apocalyptic number.

It is an amenable number.

381396552108 is an abundant number, since it is smaller than the sum of its proper divisors (669854683668).

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

381396552108 is a wasteful number, since it uses less digits than its factorization.

381396552108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17096895 (or 17096880 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 381396552108 in words is "three hundred eighty-one billion, three hundred ninety-six million, five hundred fifty-two thousand, one hundred eight".