38275891428 has 12 divisors (see below), whose sum is σ = 89310413360. Its totient is φ = 12758630472.

The previous prime is 38275891421. The next prime is 38275891447. The reversal of 38275891428 is 82419857283.

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 (38275891421) 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, 1594828798 + ... + 1594828821.

Almost surely, 2^38275891428 is an apocalyptic number.

It is an amenable number.

38275891428 is an abundant number, since it is smaller than the sum of its proper divisors (51034521932).

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

38275891428 is a wasteful number, since it uses less digits than its factorization.

38275891428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189657626 (or 3189657624 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The spelling of 38275891428 in words is "thirty-eight billion, two hundred seventy-five million, eight hundred ninety-one thousand, four hundred twenty-eight".