506144431000042 has 8 divisors (see below), whose sum is σ = 759247234248132. Its totient is φ = 253062019584000.

The previous prime is 506144430999971. The next prime is 506144431000051. The reversal of 506144431000042 is 240000134441605.

It can be written as a sum of positive squares in 2 ways, for example, as 504446254534161 + 1698176465881 = 22459881^2 + 1303141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 506144430999971 and 506144431000007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5097895959 + ... + 5097995242.

Almost surely, 2^{506144431000042} is an apocalyptic number.

506144431000042 is a deficient number, since it is larger than the sum of its proper divisors (253102803248090).

506144431000042 is a wasteful number, since it uses less digits than its factorization.

506144431000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10195916024.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 506144431000042 its reverse (240000134441605), we get a palindrome (746144565441647).

The spelling of 506144431000042 in words is "five hundred six trillion, one hundred forty-four billion, four hundred thirty-one million, forty-two", and thus it is an aban number.