38519491648 has 28 divisors (see below), whose sum is σ = 83385946512. Its totient is φ = 17508859520.

The previous prime is 38519491627. The next prime is 38519491679. The reversal of 38519491648 is 84619491583.

It is a junction number, because it is equal to n+sod(n) for n = 38519491592 and 38519491601.

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 3 ways as a sum of consecutive naturals, for example, 27356890 + ... + 27358297.

Almost surely, 2^38519491648 is an apocalyptic number.

It is an amenable number.

38519491648 is an abundant number, since it is smaller than the sum of its proper divisors (44866454864).

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

38519491648 is a wasteful number, since it uses less digits than its factorization.

38519491648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54715210 (or 54715200 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 58.

The spelling of 38519491648 in words is "thirty-eight billion, five hundred nineteen million, four hundred ninety-one thousand, six hundred forty-eight".