38928925056 has 256 divisors, whose sum is σ = 129169797120. Its totient is φ = 10130227200.

The previous prime is 38928925027. The next prime is 38928925081. The reversal of 38928925056 is 65052982983.

It is a super-2 number, since 2×38928925056² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38928924987 and 38928925005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1402836 + ... + 1430316.

It is an arithmetic number, because the mean of its divisors is an integer number (504569520).

Almost surely, 2^38928925056 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 38928925056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64584898560).

38928925056 is an abundant number, since it is smaller than the sum of its proper divisors (90240872064).

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

38928925056 is a wasteful number, since it uses less digits than its factorization.

38928925056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27553 (or 27541 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 38928925056 in words is "thirty-eight billion, nine hundred twenty-eight million, nine hundred twenty-five thousand, fifty-six".