38947179742912 has 112 divisors (see below), whose sum is σ = 88929674840320. Its totient is φ = 16577830075392.

The previous prime is 38947179742909. The next prime is 38947179742949. The reversal of 38947179742912 is 21924797174983.

It is a tau number, because it is divible by the number of its divisors (112).

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 15 ways as a sum of consecutive naturals, for example, 106359238 + ... + 106724794.

Almost surely, 2^{38947179742912} is an apocalyptic number.

38947179742912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38947179742912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44464837420160).

38947179742912 is an abundant number, since it is smaller than the sum of its proper divisors (49982495097408).

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

38947179742912 is a wasteful number, since it uses less digits than its factorization.

38947179742912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367198 (or 367188 counting only the distinct ones).

The product of its digits is 384072192, while the sum is 73.

The spelling of 38947179742912 in words is "thirty-eight trillion, nine hundred forty-seven billion, one hundred seventy-nine million, seven hundred forty-two thousand, nine hundred twelve".