38529317540 has 24 divisors (see below), whose sum is σ = 92470362432. Its totient is φ = 13210051680.

The previous prime is 38529317527. The next prime is 38529317543. The reversal of 38529317540 is 4571392583.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38529317543) 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, 137604566 + ... + 137604845.

It is an arithmetic number, because the mean of its divisors is an integer number (3852931768).

Almost surely, 2^38529317540 is an apocalyptic number.

It is an amenable number.

38529317540 is an abundant number, since it is smaller than the sum of its proper divisors (53941044892).

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

38529317540 is a wasteful number, since it uses less digits than its factorization.

38529317540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275209427 (or 275209425 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 38529317540 in words is "thirty-eight billion, five hundred twenty-nine million, three hundred seventeen thousand, five hundred forty".