501442644112 has 10 divisors (see below), whose sum is σ = 971545122998. Its totient is φ = 250721322048.

The previous prime is 501442644097. The next prime is 501442644121. The reversal of 501442644112 is 211446244105.

It can be written as a sum of positive squares in only one way, i.e., 394288549776 + 107154094336 = 627924^2 + 327344^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15670082613 + ... + 15670082644.

Almost surely, 2^501442644112 is an apocalyptic number.

It is an amenable number.

501442644112 is a deficient number, since it is larger than the sum of its proper divisors (470102478886).

501442644112 is a wasteful number, since it uses less digits than its factorization.

501442644112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31340165265 (or 31340165259 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 501442644112 its reverse (211446244105), we get a palindrome (712888888217).

The spelling of 501442644112 in words is "five hundred one billion, four hundred forty-two million, six hundred forty-four thousand, one hundred twelve".