38850505385550 has 48 divisors (see below), whose sum is σ = 96360090944880. Its totient is φ = 10358969437440.

The previous prime is 38850505385501. The next prime is 38850505385561. The reversal of 38850505385550 is 5558350505883.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13228255 + ... + 15896154.

It is an arithmetic number, because the mean of its divisors is an integer number (2007501894685).

Almost surely, 2^{38850505385550} is an apocalyptic number.

38850505385550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38850505385550 is an abundant number, since it is smaller than the sum of its proper divisors (57509585559330).

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

38850505385550 is a wasteful number, since it uses less digits than its factorization.

38850505385550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29133317 (or 29133312 counting only the distinct ones).

The product of its (nonzero) digits is 72000000, while the sum is 60.

The spelling of 38850505385550 in words is "thirty-eight trillion, eight hundred fifty billion, five hundred five million, three hundred eighty-five thousand, five hundred fifty".