38074285728 has 36 divisors (see below), whose sum is σ = 108273750858. Its totient is φ = 12691428480.

The previous prime is 38074285727. The next prime is 38074285729. The reversal of 38074285728 is 82758247083.

It is an interprime number because it is at equal distance from previous prime (38074285727) and next prime (38074285729).

It can be written as a sum of positive squares in only one way, i.e., 31631333904 + 6442951824 = 177852^2 + 80268^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (38074285727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66100903 + ... + 66101478.

Almost surely, 2^38074285728 is an apocalyptic number.

It is an amenable number.

38074285728 is an abundant number, since it is smaller than the sum of its proper divisors (70199465130).

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

38074285728 is a wasteful number, since it uses less digits than its factorization.

38074285728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132202397 (or 132202386 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 54.

The spelling of 38074285728 in words is "thirty-eight billion, seventy-four million, two hundred eighty-five thousand, seven hundred twenty-eight".