38678651500040 has 96 divisors (see below), whose sum is σ = 92604837971520. Its totient is φ = 14536565701632.

The previous prime is 38678651500037. The next prime is 38678651500063. The reversal of 38678651500040 is 4000515687683.

It is a super-3 number, since 3×38678651500040³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3935717 + ... + 9635723.

It is an arithmetic number, because the mean of its divisors is an integer number (964633728870).

Almost surely, 2^{38678651500040} 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 38678651500040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46302418985760).

38678651500040 is an abundant number, since it is smaller than the sum of its proper divisors (53926186471480).

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

38678651500040 is a wasteful number, since it uses less digits than its factorization.

38678651500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700639 (or 5700618 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 38678651500040 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred fifty-one million, five hundred thousand, forty".