38835260828 has 72 divisors (see below), whose sum is σ = 85968060192. Its totient is φ = 14947981056.

The previous prime is 38835260813. The next prime is 38835260839. The reversal of 38835260828 is 82806253883.

It is a self number, because there is not a number n which added to its sum of digits gives 38835260828.

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, 459350 + ... + 537282.

It is an arithmetic number, because the mean of its divisors is an integer number (1194000836).

Almost surely, 2^38835260828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38835260828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42984030096).

38835260828 is an abundant number, since it is smaller than the sum of its proper divisors (47132799364).

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

38835260828 is a wasteful number, since it uses less digits than its factorization.

38835260828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78031 (or 77992 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 38835260828 in words is "thirty-eight billion, eight hundred thirty-five million, two hundred sixty thousand, eight hundred twenty-eight".