38828731536 has 200 divisors, whose sum is σ = 130197750144. Its totient is φ = 10941765120.

The previous prime is 38828731523. The next prime is 38828731547. The reversal of 38828731536 is 63513782883.

38828731536 is a `hidden beast` number, since 3 + 88 + 28 + 7 + 3 + 1 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 632941 + ... + 691571.

Almost surely, 2^38828731536 is an apocalyptic number.

38828731536 is a gapful number since it is divisible by the number (36) 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 38828731536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65098875072).

38828731536 is an abundant number, since it is smaller than the sum of its proper divisors (91369018608).

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

38828731536 is a wasteful number, since it uses less digits than its factorization.

38828731536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58731 (or 58716 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 38828731536 in words is "thirty-eight billion, eight hundred twenty-eight million, seven hundred thirty-one thousand, five hundred thirty-six".