38678632740356 has 144 divisors (see below), whose sum is σ = 82211731176960. Its totient is φ = 15856424962560.

The previous prime is 38678632740329. The next prime is 38678632740367. The reversal of 38678632740356 is 65304723687683.

It is a super-3 number, since 3×38678632740356³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 451931840 + ... + 452017416.

It is an arithmetic number, because the mean of its divisors is an integer number (570914799840).

Almost surely, 2^{38678632740356} 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 38678632740356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41105865588480).

38678632740356 is an abundant number, since it is smaller than the sum of its proper divisors (43533098436604).

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

38678632740356 is a wasteful number, since it uses less digits than its factorization.

38678632740356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86362 (or 86353 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 68.

The spelling of 38678632740356 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred thirty-two million, seven hundred forty thousand, three hundred fifty-six".