38322935644 has 48 divisors (see below), whose sum is σ = 81343180800. Its totient is φ = 15422042880.

The previous prime is 38322935597. The next prime is 38322935663. The reversal of 38322935644 is 44653922383.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 111757 + ... + 298555.

It is an arithmetic number, because the mean of its divisors is an integer number (1694649600).

Almost surely, 2^38322935644 is an apocalyptic number.

38322935644 is a gapful number since it is divisible by the number (34) 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 38322935644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40671590400).

38322935644 is an abundant number, since it is smaller than the sum of its proper divisors (43020245156).

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

38322935644 is a wasteful number, since it uses less digits than its factorization.

38322935644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187258 (or 187256 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 49.

The spelling of 38322935644 in words is "thirty-eight billion, three hundred twenty-two million, nine hundred thirty-five thousand, six hundred forty-four".