381055034988 has 36 divisors (see below), whose sum is σ = 998897357640. Its totient is φ = 127018344672.

The previous prime is 381055034977. The next prime is 381055034989. The reversal of 381055034988 is 889430550183.

381055034988 is a `hidden beast` number, since 3 + 8 + 1 + 0 + 550 + 3 + 4 + 9 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (381055034989) 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 11 ways as a sum of consecutive naturals, for example, 196014993 + ... + 196016936.

Almost surely, 2^381055034988 is an apocalyptic number.

It is an amenable number.

381055034988 is an abundant number, since it is smaller than the sum of its proper divisors (617842322652).

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

381055034988 is a wasteful number, since it uses less digits than its factorization.

381055034988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392031948 (or 392031934 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 381055034988 in words is "three hundred eighty-one billion, fifty-five million, thirty-four thousand, nine hundred eighty-eight".