1538050520 has 32 divisors (see below), whose sum is σ = 3664180800. Its totient is φ = 579030528.

The previous prime is 1538050517. The next prime is 1538050543. The reversal of 1538050520 is 250508351.

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 7 ways as a sum of consecutive naturals, for example, 1130240 + ... + 1131599.

It is an arithmetic number, because the mean of its divisors is an integer number (114505650).

Almost surely, 2^1538050520 is an apocalyptic number.

1538050520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1538050520 is an abundant number, since it is smaller than the sum of its proper divisors (2126130280).

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

1538050520 is a wasteful number, since it uses less digits than its factorization.

1538050520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261867 (or 2261863 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1538050520 is about 39217.9871997531. The cubic root of 1538050520 is about 1154.3128587744.

Adding to 1538050520 its reverse (250508351), we get a palindrome (1788558871).

The spelling of 1538050520 in words is "one billion, five hundred thirty-eight million, fifty thousand, five hundred twenty".