38329132446 has 80 divisors (see below), whose sum is σ = 93750877440. Its totient is φ = 11607768720.

The previous prime is 38329132441. The next prime is 38329132447. The reversal of 38329132446 is 64423192383.

38329132446 is a `hidden beast` number, since 38 + 3 + 291 + 324 + 4 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38329132441) 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 39 ways as a sum of consecutive naturals, for example, 3392635 + ... + 3403913.

It is an arithmetic number, because the mean of its divisors is an integer number (1171885968).

Almost surely, 2^38329132446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38329132446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46875438720).

38329132446 is an abundant number, since it is smaller than the sum of its proper divisors (55421744994).

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

38329132446 is a wasteful number, since it uses less digits than its factorization.

38329132446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13211 (or 13202 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 38329132446 in words is "thirty-eight billion, three hundred twenty-nine million, one hundred thirty-two thousand, four hundred forty-six".