506621571040 has 48 divisors (see below), whose sum is σ = 1288962194688. Its totient is φ = 187060271616.

The previous prime is 506621571023. The next prime is 506621571073. The reversal of 506621571040 is 40175126605.

It is a happy number.

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, 121781952 + ... + 121786111.

It is an arithmetic number, because the mean of its divisors is an integer number (26853379056).

Almost surely, 2^506621571040 is an apocalyptic number.

It is an amenable number.

506621571040 is an abundant number, since it is smaller than the sum of its proper divisors (782340623648).

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

506621571040 is a wasteful number, since it uses less digits than its factorization.

506621571040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243568091 (or 243568083 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 506621571040 its reverse (40175126605), we get a palindrome (546796697645).

The spelling of 506621571040 in words is "five hundred six billion, six hundred twenty-one million, five hundred seventy-one thousand, forty".