38654271612 has 144 divisors (see below), whose sum is σ = 112477921920. Its totient is φ = 11069654400.

The previous prime is 38654271581. The next prime is 38654271619. The reversal of 38654271612 is 21617245683.

38654271612 is a `hidden beast` number, since 3 + 8 + 6 + 5 + 4 + 27 + 1 + 612 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38654271619) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3161503 + ... + 3173705.

It is an arithmetic number, because the mean of its divisors is an integer number (781096680).

Almost surely, 2^38654271612 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 38654271612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56238960960).

38654271612 is an abundant number, since it is smaller than the sum of its proper divisors (73823650308).

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

38654271612 is a wasteful number, since it uses less digits than its factorization.

38654271612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12664 (or 12659 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 38654271612 in words is "thirty-eight billion, six hundred fifty-four million, two hundred seventy-one thousand, six hundred twelve".