1538575960 has 16 divisors (see below), whose sum is σ = 3461796000. Its totient is φ = 615430368.

The previous prime is 1538575943. The next prime is 1538575967. The reversal of 1538575960 is 695758351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538575967) by changing a digit.

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, 19232160 + ... + 19232239.

It is an arithmetic number, because the mean of its divisors is an integer number (216362250).

Almost surely, 2^1538575960 is an apocalyptic number.

1538575960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1538575960 is an abundant number, since it is smaller than the sum of its proper divisors (1923220040).

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

1538575960 is a wasteful number, since it uses less digits than its factorization.

1538575960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38464410 (or 38464406 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 49.

The square root of 1538575960 is about 39224.6855946609. The cubic root of 1538575960 is about 1154.4442920586. Note that the first 3 decimals are identical.

The spelling of 1538575960 in words is "one billion, five hundred thirty-eight million, five hundred seventy-five thousand, nine hundred sixty".