512546041644 has 96 divisors (see below), whose sum is σ = 1522683294720. Its totient is φ = 130515694848.

The previous prime is 512546041619. The next prime is 512546041723. The reversal of 512546041644 is 446140645215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 512546041596 and 512546041605.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8060824 + ... + 8124159.

It is an arithmetic number, because the mean of its divisors is an integer number (15861284320).

Almost surely, 2^512546041644 is an apocalyptic number.

It is an amenable number.

512546041644 is an abundant number, since it is smaller than the sum of its proper divisors (1010137253076).

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

512546041644 is a wasteful number, since it uses less digits than its factorization.

512546041644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185039 (or 16185037 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 512546041644 its reverse (446140645215), we get a palindrome (958686686859).

The spelling of 512546041644 in words is "five hundred twelve billion, five hundred forty-six million, forty-one thousand, six hundred forty-four".