380143168428 has 12 divisors (see below), whose sum is σ = 887000726360. Its totient is φ = 126714389472.

The previous prime is 380143168417. The next prime is 380143168429. The reversal of 380143168428 is 824861341083.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (380143168429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15839298673 + ... + 15839298696.

Almost surely, 2^380143168428 is an apocalyptic number.

It is an amenable number.

380143168428 is an abundant number, since it is smaller than the sum of its proper divisors (506857557932).

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

380143168428 is a wasteful number, since it uses less digits than its factorization.

380143168428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31678597376 (or 31678597374 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 380143168428 in words is "three hundred eighty billion, one hundred forty-three million, one hundred sixty-eight thousand, four hundred twenty-eight".