38429356280 has 128 divisors (see below), whose sum is σ = 102255436800. Its totient is φ = 12724411392.

The previous prime is 38429356253. The next prime is 38429356297. The reversal of 38429356280 is 8265392483.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1053629 + ... + 1089491.

It is an arithmetic number, because the mean of its divisors is an integer number (798870600).

Almost surely, 2^38429356280 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 38429356280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51127718400).

38429356280 is an abundant number, since it is smaller than the sum of its proper divisors (63826080520).

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

38429356280 is a wasteful number, since it uses less digits than its factorization.

38429356280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36013 (or 36009 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 38429356280 in words is "thirty-eight billion, four hundred twenty-nine million, three hundred fifty-six thousand, two hundred eighty".