38688429696 has 128 divisors (see below), whose sum is σ = 118044812160. Its totient is φ = 10997575680.

The previous prime is 38688429667. The next prime is 38688429739. The reversal of 38688429696 is 69692488683.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 38688429696.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493006 + ... + 566066.

It is an arithmetic number, because the mean of its divisors is an integer number (922225095).

Almost surely, 2^38688429696 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 38688429696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59022406080).

38688429696 is an abundant number, since it is smaller than the sum of its proper divisors (79356382464).

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

38688429696 is a wasteful number, since it uses less digits than its factorization.

38688429696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73282 (or 73270 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 69.

The spelling of 38688429696 in words is "thirty-eight billion, six hundred eighty-eight million, four hundred twenty-nine thousand, six hundred ninety-six".