38065904128 has 80 divisors (see below), whose sum is σ = 87022894464. Its totient is φ = 16295178240.

The previous prime is 38065904113. The next prime is 38065904143. The reversal of 38065904128 is 82140956083.

It is an interprime number because it is at equal distance from previous prime (38065904113) and next prime (38065904143).

It is a super-3 number, since 3×38065904128³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3366901 + ... + 3378187.

Almost surely, 2^38065904128 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 38065904128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43511447232).

38065904128 is an abundant number, since it is smaller than the sum of its proper divisors (48956990336).

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

38065904128 is an equidigital number, since it uses as much as digits as its factorization.

38065904128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12253 (or 12237 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 38065904128 in words is "thirty-eight billion, sixty-five million, nine hundred four thousand, one hundred twenty-eight".