38540502550 has 72 divisors (see below), whose sum is σ = 78952230216. Its totient is φ = 13996312000.

The previous prime is 38540502547. The next prime is 38540502601. The reversal of 38540502550 is 5520504583.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 50644170 + ... + 50644930.

It is an arithmetic number, because the mean of its divisors is an integer number (1096558753).

Almost surely, 2^38540502550 is an apocalyptic number.

38540502550 is an abundant number, since it is smaller than the sum of its proper divisors (40411727666).

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

38540502550 is an frugal number, since it uses more digits than its factorization.

38540502550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 38540502550 in words is "thirty-eight billion, five hundred forty million, five hundred two thousand, five hundred fifty".