512195819540 has 24 divisors (see below), whose sum is σ = 1075919477472. Its totient is φ = 204819612320.

The previous prime is 512195819533. The next prime is 512195819561. The reversal of 512195819540 is 45918591215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3598154 + ... + 3737793.

It is an arithmetic number, because the mean of its divisors is an integer number (44829978228).

Almost surely, 2^512195819540 is an apocalyptic number.

It is an amenable number.

512195819540 is an abundant number, since it is smaller than the sum of its proper divisors (563723657932).

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

512195819540 is a wasteful number, since it uses less digits than its factorization.

512195819540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339447 (or 7339445 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 50.

The spelling of 512195819540 in words is "five hundred twelve billion, one hundred ninety-five million, eight hundred nineteen thousand, five hundred forty".