506206225644 has 48 divisors (see below), whose sum is σ = 1350071159808. Its totient is φ = 144610219008.

The previous prime is 506206225643. The next prime is 506206225661. The reversal of 506206225644 is 446522602605.

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 = 506206225596 and 506206225605.

It is not an unprimeable number, because it can be changed into a prime (506206225643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192972 + ... + 1024524.

It is an arithmetic number, because the mean of its divisors is an integer number (28126482496).

Almost surely, 2^506206225644 is an apocalyptic number.

It is an amenable number.

506206225644 is an abundant number, since it is smaller than the sum of its proper divisors (843864934164).

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

506206225644 is a wasteful number, since it uses less digits than its factorization.

506206225644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838814 (or 838812 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 506206225644 in words is "five hundred six billion, two hundred six million, two hundred twenty-five thousand, six hundred forty-four".