38489524391994 has 16 divisors (see below), whose sum is σ = 82900514075232. Its totient is φ = 11842930582128.

The previous prime is 38489524391993. The next prime is 38489524392029. The reversal of 38489524391994 is 49919342598483.

It is a Harshad number since it is a multiple of its sum of digits (78), and also a Moran number because the ratio is a prime number: 493455440923 = 38489524391994 / (3 + 8 + 4 + 8 + 9 + 5 + 2 + 4 + 3 + 9 + 1 + 9 + 9 + 4).

It is not an unprimeable number, because it can be changed into a prime (38489524391993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246727720384 + ... + 246727720539.

It is an arithmetic number, because the mean of its divisors is an integer number (5181282129702).

Almost surely, 2^{38489524391994} is an apocalyptic number.

38489524391994 is an abundant number, since it is smaller than the sum of its proper divisors (44410989683238).

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

38489524391994 is a wasteful number, since it uses less digits than its factorization.

38489524391994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493455440941.

The product of its digits is 2418647040, while the sum is 78.

The spelling of 38489524391994 in words is "thirty-eight trillion, four hundred eighty-nine billion, five hundred twenty-four million, three hundred ninety-one thousand, nine hundred ninety-four".