381550330242 has 96 divisors (see below), whose sum is σ = 856557599040. Its totient is φ = 122669769600.

The previous prime is 381550330181. The next prime is 381550330247. The reversal of 381550330242 is 242033055183.

381550330242 is a `hidden beast` number, since 3 + 81 + 5 + 5 + 0 + 330 + 242 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 381550330197 and 381550330206.

It is not an unprimeable number, because it can be changed into a prime (381550330247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30403413 + ... + 30415959.

It is an arithmetic number, because the mean of its divisors is an integer number (8922474990).

Almost surely, 2^381550330242 is an apocalyptic number.

381550330242 is an abundant number, since it is smaller than the sum of its proper divisors (475007268798).

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

381550330242 is a wasteful number, since it uses less digits than its factorization.

381550330242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13088 (or 13085 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 381550330242 in words is "three hundred eighty-one billion, five hundred fifty million, three hundred thirty thousand, two hundred forty-two".