38520660084 has 96 divisors (see below), whose sum is σ = 94624588800. Its totient is φ = 12173027328.

The previous prime is 38520660019. The next prime is 38520660119. The reversal of 38520660084 is 48006602583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20198659 + ... + 20200565.

It is an arithmetic number, because the mean of its divisors is an integer number (985672800).

Almost surely, 2^38520660084 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 38520660084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47312294400).

38520660084 is an abundant number, since it is smaller than the sum of its proper divisors (56103928716).

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

38520660084 is a wasteful number, since it uses less digits than its factorization.

38520660084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 38520660084 in words is "thirty-eight billion, five hundred twenty million, six hundred sixty thousand, eighty-four".