38528453688 has 32 divisors (see below), whose sum is σ = 101390668800. Its totient is φ = 12166879968.

The previous prime is 38528453681. The next prime is 38528453699. The reversal of 38528453688 is 88635482583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38528453681) 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 7 ways as a sum of consecutive naturals, for example, 42245656 + ... + 42246567.

It is an arithmetic number, because the mean of its divisors is an integer number (3168458400).

Almost surely, 2^38528453688 is an apocalyptic number.

38528453688 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38528453688 is an abundant number, since it is smaller than the sum of its proper divisors (62862215112).

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

38528453688 is a wasteful number, since it uses less digits than its factorization.

38528453688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84492251 (or 84492247 counting only the distinct ones).

The product of its digits is 44236800, while the sum is 60.

The spelling of 38528453688 in words is "thirty-eight billion, five hundred twenty-eight million, four hundred fifty-three thousand, six hundred eighty-eight".